[R] sum data from data.frame in a matrix

2011-02-22 Thread Nicolas Gutierrez
Hi all (again), I have a data frame "pop": xloc yloc yield 1 101295 2 111081 3 121120 4 121110 And I want to get the sum of yield for the cell (pop$xloc, pop$yloc) in a matrix as follows: xloc 10 11 12 10 0 81 0 yloc

Re: [R] add repeated rows in data frame (without a loop)

2011-02-22 Thread Nicolas Gutierrez
That worked.. thanks Peter On 2/22/2011 5:40 PM, Peter Ehlers wrote: popm <- as.matrix(pop) recm <- matrix(rep(rec, n), nr=n, byrow=TRUE) newpop <- data.frame(rbind(popm, recm)) __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/

[R] mgcv: beta coefficient and 95%CI

2011-02-22 Thread clc
Hi i am doing an environmental research The equation is as follow: gam(y1 ~ x1 + s(x2) + s(x3) + s(x4), family = gaussian, fit = true) I would like to obtain the beta coefficient and 95CI of x4 (or s(x4)), what should I do? Thanks, Lung -- View this message in context: http://r.789695.n4.nab

Re: [R] How to find points of intersection between harmonic function and a line

2011-02-22 Thread rex.dwyer
How is the curve is represented? That's more important that its organ-of-origin. If you have values of y=f(x) at discrete time points, then y-(x+2) will change sign sometimes... the intersection point is at some time x' in between. Am I missing something subtle here? You could interpolate the

Re: [R] "aggregate" in R

2011-02-22 Thread Sebastián Daza
plyr is very useful to aggregate data... I strongly recommend it. On 2/22/2011 5:59 PM, Jeff Newmiller wrote: Use ?plyr::ddply --- Jeff Newmiller The . . Go Live... DCN: Basics: ##.#. ##.#. Live Go... Live: OO#.. D

Re: [R] how can I connect paired points within lattice bwplot?

2011-02-22 Thread Deepayan Sarkar
On Wed, Feb 23, 2011 at 8:01 AM, Peter Ehlers wrote: > On 2011-02-22 11:52, Cory Champagne wrote: >> >> Hello all, >> my first post to this list.  I do a lot of experiments using a paired >> sampling design and I would get a lot of mileage out of figures like >> this, if I can make it work!  Any a

Re: [R] how can I connect paired points within lattice bwplot?

2011-02-22 Thread Peter Ehlers
On 2011-02-22 11:52, Cory Champagne wrote: Hello all, my first post to this list. I do a lot of experiments using a paired sampling design and I would get a lot of mileage out of figures like this, if I can make it work! Any advice would be appreciated. my email is: cory.champ...@gmail.com. Tha

Re: [R] difference in pairs ?

2011-02-22 Thread Peter Ehlers
On 2011-02-22 12:51, Vlatka Matkovic Puljic wrote: Well, it should be difference by ID and TIME for q1: something like: for ID 1187 in TIME 1 q1=3 and TIME 2 (for same ID) q1=3 so diff would be 3-3=0 TIME ID q1 1 1187 3 1 1187 3 And I don't know how to make

Re: [R] ggplot2 directional line type?

2011-02-22 Thread baptiste auguie
Hi, You could add arrows with geom_segment; however if you want even spacing along the path it might get tricky, library(ggplot2) d <- data.frame(x=seq(0, 10, length=100), y=sin(seq(0, 10, length=100))) N <- 10 dN <- 2 ind <- seq(1,nrow(d),by=N) ind <- ind[-c(1,length(ind))]

Re: [R] add repeated rows in data frame (without a loop)

2011-02-22 Thread Peter Ehlers
On 2011-02-22 14:48, Nicolas Gutierrez wrote: Hi All, I have a data frame "pop": > id xloc yloc size > 1 1 101295 > 2 211 1081 And I want to add the vector "rec" to the data frame "n" times (without using a loop): > rec=c(3, 5, 5, 10) > n=2 Th

Re: [R] Plot Stepped Line chart with multiple lines

2011-02-22 Thread David Winsemius
On Feb 22, 2011, at 7:10 PM, Ista Zahn wrote: Hi, This is R, so there are bound to be severay ways to do it. This would be my first choice: library(ggplot2) ggplot(d, aes(x=V2, y=V3, color=V1)) + geom_step() Best, Ista On Tue, Feb 22, 2011 at 3:08 PM, Techni X wrote: Hi all, I have a qu

[R] ggplot2 directional line type?

2011-02-22 Thread Malcolm Ryan
I'm doing a path plot with ggplot2, the result is looking very nice, but I want to give some indication of which direction the lines are going. I thought of using colour gradients, but it doesn't look right. What would be ideal is a line type that indicated direction, something like ">>>". I

Re: [R] Transforming relational data

2011-02-22 Thread Matthew Dowle
Thanks. How about this? DT$B = factor(DT$B) firststep = DT[,cbind(expand.grid(B,B),v=1/length(B),C=C[1]),by=A][Var1! =Var2] setkey(firststep,Var1,Var2,C) firststep = firststep[,transform(.SD,cv=cumsum(v)),by=list(Var1,Var2)] setkey(firststep,Var1,Var2,C) DT[, {x=data.table(expand.grid(B,B),C[1]-1

Re: [R] odfWeave graphics glitch

2011-02-22 Thread mxkuhn
John, What version of odfWeave and OO are you using? Thanks, Max On Feb 22, 2011, at 3:17 PM, "Prof. John C Nash" wrote: > Using R2.12.1 on Ubuntu 10.04.1 I've tried to run the following code chunk in > odfWeave > > <>= > x<-seq(1:100)/10 > y<-sin(cos(x/pi)) > imageDefs <- getImageDefs() >

Re: [R] Random Forest & Cross Validation

2011-02-22 Thread mxkuhn
If you want to get honest estimates of accuracy, you should repeat the feature selection within the resampling (not the test set). You will get different lists each time, but that's the point. Right now you are not capturing that uncertainty which is why the oob and test set results differ so mu

Re: [R] Plot Stepped Line chart with multiple lines

2011-02-22 Thread Ista Zahn
Hi, This is R, so there are bound to be severay ways to do it. This would be my first choice: library(ggplot2) ggplot(d, aes(x=V2, y=V3, color=V1)) + geom_step() Best, Ista On Tue, Feb 22, 2011 at 3:08 PM, Techni X wrote: > Hi all, > > I have a question, that might be a „rookie“ question – but

Re: [R] "aggregate" in R

2011-02-22 Thread Jannis
The documentation of aggregate tells you that your way will not work. Why don't you aggregate/sum the columns separately? I would doubt that what you want to try to achieve in one go is already implemented somewhere Jannis --- Hongwei Dong schrieb am Di, 22.2.2011: > Von: Hongwei Dong >

Re: [R] "aggregate" in R

2011-02-22 Thread Jeff Newmiller
Use ?plyr::ddply --- Jeff Newmiller The . . Go Live... DCN: Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#.

[R] add repeated rows in data frame (without a loop)

2011-02-22 Thread Nicolas Gutierrez
Hi All, I have a data frame "pop": >id xloc yloc size > 1 1 101295 > 2 211 1081 And I want to add the vector "rec" to the data frame "n" times (without using a loop): > rec=c(3, 5, 5, 10) > n=2 The result I want: >id xloc yloc size > 1 1 10

Re: [R] "aggregate" in R

2011-02-22 Thread jim holtman
try data.table: x a b 1 1 1 21 2 2 2 22 3 3 3 23 4 4 4 24 5 5 5 25 6 1 6 26 7 2 7 27 8 3 8 28 9 4 9 29 10 5 10 30 11 1 11 31 12 2 12 32 13 3 13 33 14 4 14 34 15 5 15 35 > require(data.table) Loading required package: data.table Quick start guide : vignette("datatable-intro")

Re: [R] "aggregate" in R

2011-02-22 Thread Seeliger . Curt
Gary/Hongwei writes: > I'm wondering how I can aggregate data in R with different functions for > different columns. For example: > > x<-rep(1:5,3) > y<-cbind(x,a=1:15,b=21:35) > y<-data.frame(y) > > I want to aggregate "a" and "b" in y by "x". With "a", I want to use > function "mean"; with "b",

Re: [R] "aggregate" in R

2011-02-22 Thread Ista Zahn
Hi Gary, I'm not sure if you can do that with aggregate. You might have to resort to something like tmp <- cbind(aggregate(y$a, by=list(y$x), mean), aggregate(y$b, by=list(y$x), sum)$x) names(tmp) <- c("x", "mean.a", "sum.b") tmp Or, using the plyr package: library(plyr) ddply(y, .(x), summari

Re: [R] Transforming relational data

2011-02-22 Thread mathijsdevaan
Gabor, that worked great! I was unaware of the sqldf package, but it is great for data manipulation. Thanks! -- View this message in context: http://r.789695.n4.nabble.com/Re-Transforming-relational-data-tp3307449p3320067.html Sent from the R help mailing list archive at Nabble.com. ___

[R] Plot Stepped Line chart with multiple lines

2011-02-22 Thread Techni X
Hi all, I have a question, that might be a „rookie“ question – but I’m trying now for days and cannot get my head around. The general question is: How can I plot a stepped line chart with multiple lines from a subset of a dataframe? An example: d <- matrix(rep(0,24), ncol=3, nrow=8) d <- as.da

Re: [R] Random Forest & Cross Validation

2011-02-22 Thread ronzhao
Thanks, Max. Yes, I did some feature selections in the training set. Basically, I selected the top 1000 SNPs based on OOB error and grow the forest using training set, then using the test set to validate the forest grown. But if I do the same thing in test set, the top SNPs would be different th

Re: [R] question regarding basic stat question

2011-02-22 Thread Daniel Harris
>> The first column gives the answer that I am looking for but I just >> thought their maybe a better way without using the long variable > > Sounds like you want the frequency-weighted summary statistics. > For the mean, look at ?weighted.mean. > For more comprehensive stats, check ?wtd.mean in th

[R] Transfer function observed vs predicted values graph problem

2011-02-22 Thread Matt Coe
Hi, I am trying to make a palaeoenvironmental transfer function using the R package rioja that predicts the water-table (measured as depth to the water table) of an area given the testate amoebae that are found there. I've carried out weighted averaging of the data and am trying to produce a graph

[R] Advice/suggestions on using a stacked barplot with "zoo"?

2011-02-22 Thread David Wolfskill
I'm not sure I'm using appropriate tools for what I'm trying to do; a reason for my lack of certainty is that I'm encountering difficulty with what I thought would be fairly simple: labeling the X axis of my graphs with human-readable timestamps. I'm using R 2.12.1, running in a FreeBSD 8.2-PREREL

Re: [R] regsubsets {leaps}

2011-02-22 Thread fgg
I've tried grouping the real and imaginary parts as a single complex number, e.g. > z1 <- complex(real=r1, imaginary=i1) Although complex variables are not allowed in lm, I can run regsubsets just fine: > z <- cbind(z1, z2, z3, ..., z10) > bestsubs <- regsubsets(z, y, nbest=1, nvmax=5, intercep

Re: [R] RCurl HTTP Post ?

2011-02-22 Thread Hasan Diwan
On 19 February 2011 07:24, Duncan Temple Lang wrote: Do you mean that the R variable page gives information about the request error and contains the 500 error code? Not sure what you mean by "screen" here. Yes that's exactly what I mean Client-server interactions are hard to debug

[R] how can I connect paired points within lattice bwplot?

2011-02-22 Thread Cory Champagne
Hello all, my first post to this list. I do a lot of experiments using a paired sampling design and I would get a lot of mileage out of figures like this, if I can make it work! Any advice would be appreciated. my email is: cory.champ...@gmail.com. Thanks! #define dummy variables and a data

[R] How to find points of intersection between harmonic function and a line

2011-02-22 Thread FMH
Hi, Sorry for the very short explanation about the problem of intersection. I have a wave function monitored from the heart beat in a particular interval of times. Apart fom that, there is a line with positive slope (e.g: y = x+2) which lies across the wave and intersect on a number of point

[R] How to find points of intersection between harmonic function and a line

2011-02-22 Thread FMH
Hi, Sorry for the very short explanation about the problem of intersection. I have a wave pattern monitored from the heart beat in a particular interval of times. Apart fom that, there is a line with positive slope (e.g: y = x+2) which lies across the wave and intersect on a number of points.

Re: [R] Discrepancies in run times

2011-02-22 Thread rex.dwyer
My surmise would be that you have not analyzed the situation correctly, and you are making a false assumption about your code. Since you can't show the code, it's pretty hard to figure out what that is. I think you're going to have to produce a simple example that you can share that has the sa

Re: [R] How to find points of intersection

2011-02-22 Thread rex.dwyer
How is the curve defined? If the curve is y=f(x) and the line is y=mx+b, you look for the roots of f(x)-mx-b. ?polyroot ?uniroot -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of FMH Sent: Tuesday, February 22, 2011 6:28 AM To: r-he

[R] "aggregate" in R

2011-02-22 Thread Hongwei Dong
Hi, R users, I'm wondering how I can aggregate data in R with different functions for different columns. For example: x<-rep(1:5,3) y<-cbind(x,a=1:15,b=21:35) y<-data.frame(y) I want to aggregate "a" and "b" in y by "x". With "a", I want to use function "mean"; with "b", I want to use function "

Re: [R] How to find points of intersection between harmonic function and a line

2011-02-22 Thread FMH
Hi, Sorry for the very short explanation about the problem of intersection. I have a wave function monitored from the heart beat in a particular interval of times. Apart fom that, there is a line with positive slope (e.g: y = x+2) which lies across the wave and intersect on a number of points

Re: [R] ROC from R-SVM?

2011-02-22 Thread Andrew Ziem
In addition's to Max's suggestion about caret, look at ROCR which visualizes ROC charts for any binary classifier. I have an example of e1071::SVN and ROCR here https://heuristically.wordpress.com/2009/12/23/compare-performance-machine-learning-classifiers-r/ -Original Message- From:

Re: [R] ROC from R-SVM?

2011-02-22 Thread Angel Russo
Hi Max and Andrew, Thanks so much for your reply. Indeed I found your link last night using steps shown below. My first question is if the following two steps are right and AUC is 51% as shown below. My seond question is that currently I am using cost parameter=1 (the default in R-SVM; http://ww

[R] Lacunarity in R

2011-02-22 Thread fernando del bon
Dear All, I would like any information about lacunarity analyis in R.  Does anyone know if the sliding-box lacunarity analysis of Allain and Cloitre (1991) or Plotnick et al. (1996) has been implemented by anyone in R?  Or any R package useful for that?  I have seen anything in R mail list fil

Re: [R] difference in pairs ?

2011-02-22 Thread Vlatka Matkovic Puljic
Well, it should be difference by ID and TIME for q1: something like: for ID 1187 in TIME 1 q1=3 and TIME 2 (for same ID) q1=3 so diff would be 3-3=0 TIME ID q1 1 1187 3 1 1187 3 And I don't know how to make R to find pairs and calculate diff? 2011/2/21 Dennis M

Re: [R] image.plot results in different colors than legends

2011-02-22 Thread Manussawee Sukunta
By luck I was able to solve my own problem! (Big "phw.") As a reference, I simple change my value of z in image.plot to be X[,n:1], where X = t(lower). Everything else remains the same. Cheers, Manussawee On Tue, Feb 22, 2011 at 10:03 AM, Manussawee Sukunta < msuku...@illinoisalumni.org> w

[R] odfWeave graphics glitch

2011-02-22 Thread Prof. John C Nash
Using R2.12.1 on Ubuntu 10.04.1 I've tried to run the following code chunk in odfWeave <>= x<-seq(1:100)/10 y<-sin(cos(x/pi)) imageDefs <- getImageDefs() imageDefs$dispWidth <- 4.5 imageDefs$dispHeight<- 4.5 setImageDefs(imageDefs) X11(type="cairo") plot(x,y) title(main="sin(cos(x/pi))") savePlot

Re: [R] ROC from R-SVM?

2011-02-22 Thread Max Kuhn
The objects functions for kernel methods are unrelated to the area under the ROC curve. However, you can try to choose the cost and kernel parameters to maximize the ROC AUC. See the caret package, specifically the train function. Max On Mon, Feb 21, 2011 at 5:34 PM, Angel Russo wrote: > *Hi, >

Re: [R] question regarding basic stat question

2011-02-22 Thread Peter Ehlers
On 2011-02-22 08:10, Daniel Harris wrote: Thanks for the replies The file is below Height Frequency 62 3 63 20 64 24 65 40 66 85 67 122 68 139 69 179 70 139 71 107 72 55 73 47 74 22 75 12 76 5 77 1 I use the follo

Re: [R] Plot bivariate density with densities margins

2011-02-22 Thread Eduardo García Portugués
I found an easy way to do it using trans3d() and the transformation matrix. Maybe in the future somebody would ask about it: # For plotting the bivariate gaussian density library(mvtnorm) x<-seq(-5,5,by=0.1) y<-seq(-3,7,by=0.1) # Joint density f<-function(x,y) dmvnorm(cbind(x,y),mean=c(0,2),sigm

Re: [R] Weird error (special character) of read.table

2011-02-22 Thread Prof Brian Ripley
And how to read a file with a BOM is actually discussed in detail in the 'R Data Import/Export' manual of 2.12.2 RC. What should be ASCII files with BOMs seem to be cropping up rather frequently these days: the recent culprits are Mac applications with origins on Windows (SPSS was one, some ve

Re: [R] identify an element in a column

2011-02-22 Thread Ivan Calandra
Another way is with ifelse: z<-data.frame(x,y) z$y2 <- ifelse(z$x==5,z$y-1,z$y) HTH, Ivan Le 2/22/2011 18:27, Erik Iverson a écrit : Is this what you mean? z[which(z[,"x"] == 5) - 1, "y"] ?which is probably what you're looking for... Hongwei Dong wrote: Hi, R users, I'm wondering if I can

Re: [R] identify an element in a column

2011-02-22 Thread Joshua Wiley
Hi Gary, Another possibility besides Erik's (although I suspect his is what you are really after): ## easier way to data z <- cbind(x = 1:10, y = 11:20) z[z[,"x"] == 5, "y"] - 1 ## To see what is "going on", break it into pieces ## logical; does column 'x' of 'z' equal 5? z[, "x"] == 5 ## all va

Re: [R] identify an element in a column

2011-02-22 Thread Jorge Ivan Velez
Hi Gary, Try transform(z, y = ifelse(x == 5, y-1, y)) HTH, Jorge On Tue, Feb 22, 2011 at 12:18 PM, Hongwei Dong <> wrote: > Hi, R users, > > I'm wondering if I can identify an element in a column by an element in > another column. For example: > > x<-1:10 > y<-11:20 > z<-cbind(x,y) > z > x

Re: [R] identify an element in a column

2011-02-22 Thread Dimitris Rizopoulos
try this: x <- 1:10 y <- 11:20 z <- cbind(x, y) ind <- x == 5 z[ind, "y"] <- z[ind, "y"] - 1 z I hope it helps. Best, Dimitris On 2/22/2011 6:18 PM, Hongwei Dong wrote: Hi, R users, I'm wondering if I can identify an element in a column by an element in another column. For example: x<-1:

Re: [R] identify an element in a column

2011-02-22 Thread Erik Iverson
Is this what you mean? z[which(z[,"x"] == 5) - 1, "y"] ?which is probably what you're looking for... Hongwei Dong wrote: Hi, R users, I'm wondering if I can identify an element in a column by an element in another column. For example: x<-1:10 y<-11:20 z<-cbind(x,y) z x y [1,] 1 11 [

[R] identify an element in a column

2011-02-22 Thread Hongwei Dong
Hi, R users, I'm wondering if I can identify an element in a column by an element in another column. For example: x<-1:10 y<-11:20 z<-cbind(x,y) z x y [1,] 1 11 [2,] 2 12 [3,] 3 13 [4,] 4 14 [5,] 5 15 [6,] 6 16 [7,] 7 17 [8,] 8 18 [9,] 9 19 [10,] 10 20 What I want to do i

Re: [R] Parzen fractional degree of differencing estimator

2011-02-22 Thread Kjetil Halvorsen
searching using library(sos) h <- ???"Parzen fractional estimator" h leads to library(fracdiff) # on CRAN ?fdSperio On Wed, Feb 16, 2011 at 5:19 PM, Fologo Dubois wrote: > Does R have a function for Parzen fractional degree of differencing > estimator? I am referring to the non-parametric kern

Re: [R] formal concept analysis in R?

2011-02-22 Thread Kjetil Halvorsen
You could try install.packages("sos", dep=T) library(sos) h <- finfFn("formal concept analysis") h but it does not seem to find anything relevant. On Wed, Feb 16, 2011 at 6:21 PM, Mark Heckmann wrote: > I am looking for an R package for formal concept analysis > (http://en.wikipedia.org/wiki/F

[R] Discrepancies in run times

2011-02-22 Thread Sébastien Bihorel
Dear R-users, I am in the process of creating new custom functions and am quite puzzled by some discrepancies in execution time when I run some R scripts that call those new functions. So here is the situation: - let's assume I have created two custom functions, called myg and myf; - myg is mostly

Re: [R] Generating uniformly distributed correlated data.

2011-02-22 Thread Erich Neuwirth
You do not need the regions with the double densities near the center (1/2,1/2), you can use just the parallel 45 degree borders in that region also. > x-x > |/*\\\| > |---/***\\| > |--/*\| > |-/**/

Re: [R] nrow()

2011-02-22 Thread Sandra Stankowski
Thanks. I made it! Best wishes, S. Am 22.02.2011 17:41, schrieb Erik Iverson: Sandra Stankowski wrote: is.na function does'nt seem to work, but maybe I'm just dealing with it in a wrong way. here's an example > m <- c(2, 3, 5, 6, 3, 7, -99, -99, 6) > n <- c(1,1,1,1,1,2,2,2,2) so my mat

Re: [R] nrow()

2011-02-22 Thread Sandra Stankowski
is.na function does'nt seem to work, but maybe I'm just dealing with it in a wrong way. here's an example > m <- c(2, 3, 5, 6, 3, 7, -99, -99, 6) > n <- c(1,1,1,1,1,2,2,2,2) so my matrix contains certain missing values > m[m==-99] <- NA > o <- data.frame(m, n) > o m n 1 2 1 2 3 1 3 5 1

Re: [R] question regarding basic stat question

2011-02-22 Thread Daniel Harris
Thanks for the replies The file is below Height Frequency 62 3 63 20 64 24 65 40 66 85 67 122 68 139 69 179 70 139 71 107 72 55 73 47 74 22 75 12 76 5 77 1 I use the following data <- read.table("file",header=T) at

Re: [R] linear regression and t-distribution

2011-02-22 Thread Peter Ehlers
On 2011-02-21 02:42, Rosario Garcia Gil wrote: Hello I have a data set with outlier and it is not normally distributed. I would instead like to use a more robust distribution like t-distribution. My question is if the coefficients of the regression are different from zero, but assuming a t-di

[R] help on ANOVA, please

2011-02-22 Thread netrunner
Dear all, I need to perform a two-way unbalanced ANOVA on my data set. The unbalancing is due to missing values (NA) for some subjects. My data set concerns the evaluation of 4 different prototypes tested by subjects three times and it is organized as follows (column by column): number of observ

Re: [R] Transforming relational data

2011-02-22 Thread Gabor Grothendieck
On Mon, Feb 14, 2011 at 12:22 PM, mathijsdevaan wrote: > > Hi, > > I have a large dataset with info on individuals (B) that have been involved > in projects (A) during multiple years (C). The dataset contains three > columns: A, B, C. Example: > >   A  B  C > 1 1  a  1999 > 2 1  b  1999 > 3 1  c  

Re: [R] linear regression and t-distribution

2011-02-22 Thread Kjetil Halvorsen
did you try RSiteSearch("t-regression") ? That seems to give some usefull hits. On Mon, Feb 21, 2011 at 7:42 AM, Rosario Garcia Gil wrote: > Hello > > I have a data set with outlier and it is not normally distributed. I would > instead like to use a more robust distribution like t-distribution

Re: [R] nrow()

2011-02-22 Thread Erik Iverson
Sandra Stankowski wrote: is.na function does'nt seem to work, but maybe I'm just dealing with it in a wrong way. here's an example > m <- c(2, 3, 5, 6, 3, 7, -99, -99, 6) > n <- c(1,1,1,1,1,2,2,2,2) so my matrix contains certain missing values Thank you for the example. You're construct

Re: [R] Weird error (special character) of read.table

2011-02-22 Thread John Edwards
Thanks for all the people that replied my message. The text file indeed has "\uFEFF". I have fixed the text file by using 'gvim -b'. On Tue, Feb 22, 2011 at 10:03 AM, Jeff Newmiller wrote: > What you describe could be a bug (in which case providing your OS and R > version info per the posting gui

Re: [R] QuadTree

2011-02-22 Thread Kjetil Halvorsen
Did you try RSiteSearch("QuadTree") ? It does seem to give some hits. On Sun, Feb 20, 2011 at 7:54 PM, Jaimin Dave wrote: > Could any one tell me how to implement QuadTree in R? > Or are there any packages avaialble to implement it in R. > >        [[alternative HTML version deleted]] > > __

[R] image.plot results in different colors than legends

2011-02-22 Thread Manussawee Sukunta
To R community: I've been pulling my hair for the past few days over this issue now, and I may be at the point where I just can't spot my error. So I thought to reach out to the community and hope someone could kindly help me. I'm trying to create a correlation matrix and plot it. However, I'm

Re: [R] Weird error (special character) of read.table

2011-02-22 Thread Henrik Bengtsson
On Tue, Feb 22, 2011 at 7:43 AM, John Edwards wrote: > Hi, > > I have the following input file. > $ cat main.txt > CEL_A CELL_B > 1 4 > 2 5 > 2 6 > > Then I run read.table in R. > >> f=read.table('main.txt', header=T, check.names=F, sep='\t') >> head(f) >  \ufeffCEL_A CELL_B > 1    1      4 > 2  

Re: [R] Weird error (special character) of read.table

2011-02-22 Thread Jeff Newmiller
What you describe could be a bug (in which case providing your OS and R version info per the posting guidelines would be a minimum requirement to get it fixed) or a control character that is actually in your file (which you might need a binary editor to see). ---

Re: [R] Weird error (special character) of read.table

2011-02-22 Thread Duncan Murdoch
On 22/02/2011 10:43 AM, John Edwards wrote: Hi, I have the following input file. $ cat main.txt CEL_A CELL_B 1 4 2 5 2 6 Then I run read.table in R. > f=read.table('main.txt', header=T, check.names=F, sep='\t') > head(f) \ufeffCEL_A CELL_B 11 4 22 5 32 6 > f$CE

Re: [R] nrow()

2011-02-22 Thread Mohamed Lajnef
Hi Sandra, What about ?is.na function ? Hope this help Regards, ML Le 22/02/11 16:11, Sandra Stankowski a écrit : > NROW(data[jan,16] != NaN) -- Mohamed Lajnef,IE INSERM U955 eq 15# Pôle de Psychiatrie# Hôpital CHENEVIER

Re: [R] nrow()

2011-02-22 Thread Peter Ehlers
?is.nan Peter Ehlers On 2011-02-22 07:11, Sandra Stankowski wrote: Hey there, I tried to count the number of rows, where my data isn't NaN in a certain column. this was my guess: (given is a data frame with 2069 rows and 17 cols) NROW(data[jan,16] != NaN) ("jan" is defined this way: jan<-

Re: [R] [r] align xyplot

2011-02-22 Thread Peter Ehlers
On 2011-02-22 05:53, Francesco Nutini wrote: Sorry, I mean "heading". Thanks for the tip. I'm not quite certain what you mean by "heading", but it sounds to me as though you might want xyplot( ... your stuff ..., par.settings = list( strip.background = list(col = "l

Re: [R] nrow()

2011-02-22 Thread Erik Iverson
Sandra, Please provide a small, reproducible example of this issue. You probably want to use ?is.nan and not the inequality operator. Similar example, contrast: x <- NA is.na(x) x == NA Sandra Stankowski wrote: Hey there, I tried to count the number of rows, where my data isn't NaN in a cer

[R] Weird error (special character) of read.table

2011-02-22 Thread John Edwards
Hi, I have the following input file. $ cat main.txt CEL_A CELL_B 1 4 2 5 2 6 Then I run read.table in R. > f=read.table('main.txt', header=T, check.names=F, sep='\t') > head(f) \ufeffCEL_A CELL_B 11 4 22 5 32 6 > f$CEL_A NULL I'm not sure where the special character

Re: [R] problem installing R in Ubuntu 10.04 -HELP

2011-02-22 Thread Mike Marchywka
> Date: Tue, 22 Feb 2011 14:53:07 +0100 > From: r.m.k...@gmail.com > To: marchy...@hotmail.com > CC: graham.willi...@togaware.com; r-help@r-project.org > Subject: Re: [R] problem installing R in Ubuntu 10.04 -HELP > > -BEGIN PGP SIGNED MESSAGE-

Re: [R] Plotting individual trajectories from individual growth model

2011-02-22 Thread Douglas Bates
On Mon, Feb 21, 2011 at 10:06 PM, dadrivr wrote: > > Thanks Dennis, > > The code works for perfectly for the data in the example.  For some reason, > however, I get the following error message when I use a different data set: > >> preds <- expand.grid(age = c(30,36,42), Subject = unique(mydata$id)

[R] nrow()

2011-02-22 Thread Sandra Stankowski
Hey there, I tried to count the number of rows, where my data isn't NaN in a certain column. this was my guess: (given is a data frame with 2069 rows and 17 cols) NROW(data[jan,16] != NaN) ("jan" is defined this way: jan <- which(data[,2]==1, arr.ind= TRUE)) but I only get the number of c

[R] Linear Regression on data from FRED

2011-02-22 Thread Stuart Snell
library(zoo) library(tseries) library(quantmod) #for access to FRED require(quantmod) require(TTR) secA <- getSymbols("DEXUSEU",src="FRED") secB <- getSymbols("DEXUSUK",src="FRED") secA <- zoo(DEXUSEU[,1]) secB <- zoo(DEXUSUK[,1]) t.zoo <- merge(secA, secB, all=FALSE) t <- as.data.frame(t.zoo

[R] Problem with forward prediction using StructTS output

2011-02-22 Thread David Crary
I am having problems with forward prediction using the output of the Basic Structural Model from StructTS. The following snippet illustrates the problem: t_end <- 139 nahead <- 20 data(AirPassengers) ap <- log10(AirPassengers)-2 fit <- StructTS(ts(ap[1:t_end], freq=12), type="BSM") p <- stats:::p

Re: [R] Calculate a mean for several months for several years

2011-02-22 Thread D Kelly O'Day
Yes John My editing mistake. Thanks!! -- View this message in context: http://r.789695.n4.nabble.com/Calculate-a-mean-for-several-months-for-several-years-tp3318363p3319272.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-pro

Re: [R] Calculate a mean for several months for several years

2011-02-22 Thread John Kane
--- On Tue, 2/22/11, D Kelly O'Day wrote: > From: D Kelly O'Day > Subject: Re: [R] Calculate a mean for several months for several years > To: r-help@r-project.org > Received: Tuesday, February 22, 2011, 12:21 AM > > Pete > > The original question "I would like to calculate the > average of

[R] Which function in R package "Spatstat" can help me to get the Cramer-von Mises statistic

2011-02-22 Thread Jeff Fang
Hi all, When I detect the spatial point pattern, I want to use the Cramer-von Mises statistic to assess the curve-wise significance of deviations from null hypotheses. Who can tell me which function in R package "Spatstat" can do this work? Thanks a lot Jeff [[alternative HTML version

Re: [R] problem installing R in Ubuntu 10.04 -HELP

2011-02-22 Thread Mike Marchywka
> Date: Tue, 22 Feb 2011 11:12:26 +0100 > From: r.m.k...@gmail.com > To: graham.willi...@togaware.com > CC: r-help@r-project.org > Subject: Re: [R] problem installing R in Ubuntu 10.04 -HELP > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On 0

Re: [R] [r] align xyplot

2011-02-22 Thread David Winsemius
I don't know the term "intestation", but from context it appears you might need: ?trellis.par.set -- David. On Feb 22, 2011, at 7:23 AM, Francesco Nutini wrote: Hi Dennis and [R]users! as I said last week, I need more info about xyplot. Is it possible to change the color of the intestatio

[R] cforest() and missing values (party package)

2011-02-22 Thread Florian Kiefer
Dear mailing list, I am using the cforest() method from the party package to train a randomForest with ten input parameters which sometimes contain "NA"s. The predicted variable is a binary decision. Building the tree works fine without warnings or error messages, but when using the predict() stat

Re: [R] [r] align xyplot

2011-02-22 Thread Francesco Nutini
Sorry, I mean "heading". Thanks for the tip. Francesco > CC: djmu...@gmail.com; r-help@r-project.org > From: dwinsem...@comcast.net > To: ui...@hotmail.it > Subject: Re: [R] [r] align xyplot > Date: Tue, 22 Feb 2011 08:33:07 -0500 > > I don't know the term "intestation", but from context it app

Re: [R] problem installing R in Ubuntu 10.04 -HELP

2011-02-22 Thread Rainer M Krug
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 02/22/2011 02:33 PM, Mike Marchywka wrote: > > > > > > > > >> Date: Tue, 22 Feb 2011 11:12:26 +0100 >> From: r.m.k...@gmail.com >> To: graham.willi...@togaware.com >> CC: r-help@r-project.org >> Subjec

Re: [R] System of related regression equations

2011-02-22 Thread Viechtbauer Wolfgang (STAT)
What you are describing is a path model (e.g., http://bit.ly/f4siTs). You can fit such a model with the sem package (http://cran.r-project.org/web/packages/sem/index.html). Best, -- Wolfgang Viechtbauer Department of Psychiatry and Neuropsychology School for Mental Health and Neuroscience Maas

Re: [R] question regarding basic stat question

2011-02-22 Thread Bryan Hanson
Daniel, how is the data stored? The answer to your question may be as simple as > df <- read.csv("filename.csv") > summary(df) See ?read.csv for info on reading various file formats. HTH, Bryan Prof. Bryan Hanson Dept of Chemistry & Biochemistry DePauw University 602 S. Coll

Re: [R] question regarding basic stat question

2011-02-22 Thread Uwe Ligges
What about using read.table() and applying summary() on the result? Uwe Ligges On 22.02.2011 13:20, Daniel Harris wrote: Hello Is it possible to get summary statistics (inc mean, sd etc) from a text file that has the following info stored in it? Height Frequency 123

Re: [R] Interpreting the example given by Prof Frank Harrell in {Design} validate.cph

2011-02-22 Thread Frank Harrell
I think it should be the negative of the first Dxy but this is all why the posting guide says to create the simplest self-defined example that shows the problem. That way I could run it and get to the bottom of this. See the help file for cph which has examples of simulating test data. Try to h

Re: [R] [r] align xyplot

2011-02-22 Thread Francesco Nutini
From: ui...@hotmail.it To: djmu...@gmail.com CC: r-help@r-project.org Subject: RE: [R] [r] align xyplot Date: Tue, 22 Feb 2011 12:23:55 + Hi Dennis and [R]users! as I said last week, I need more info about xyplot. Is it possible to change the color of the intestation of xyplot? By

Re: [R] Transforming relational data

2011-02-22 Thread mathijsdevaan
The output for the new example should be: project v 1 0 2 0.5 3 1.5 4 0.5 The output you calculated was correct for the v per year, but the v per group would be incorrect. I think the problem lies in the fact that expand.grid(B,B) doesn't take into account that combinations of B can only be

Re: [R] How to find points of intersection

2011-02-22 Thread Uwe Ligges
On 22.02.2011 12:27, FMH wrote: Dear All, I'm looking an appropriate way in R to compute/estimate points of intersection between a line and a curve and will really appreciate for any suggestion or ideas? Sounds like second level school homework. If not, please explain your problem in more

Re: [R] Species accumulation curves with differential sampling effort

2011-02-22 Thread Scott Chamberlain
Dear Jari, For what it's worth, I could see the need in my own work for species accumulation curves with variable sampling effort. Scott Chamberlain On Tuesday, February 22, 2011 at 2:26 AM, Jari Oksanen wrote: Vanessa Francisco gmail.com> writes: > > > > > Hello! I'm a PhD student working

[R] question regarding basic stat question

2011-02-22 Thread Daniel Harris
Hello Is it possible to get summary statistics (inc mean, sd etc) from a text file that has the following info stored in it? Height Frequency 123 5 124 8 125 3 126 9 127 7 etc etc

Re: [R] [r] align xyplot

2011-02-22 Thread Francesco Nutini
Hi Dennis and [R]users! as I said last week, I need more info about xyplot. Is it possible to change the color of the intestation of xyplot? By default is pale-pink, but light-gray is better for a paper. Thanks, Francesco From: nutini.france...@gmail.com To: djmu...@gmail.com CC: r-help@r-pr

[R] How to find points of intersection

2011-02-22 Thread FMH
Dear All, I'm looking an appropriate way in R to compute/estimate  points of intersection between a line and a curve and will really appreciate for any suggestion or ideas? Thank you, Fir __ R-help@r-project.org mailing list https://stat.ethz.ch/m

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