Re: [R] sourcing from 2 different computers R code

2013-11-11 Thread Prof Brian Ripley
This is not one but two FAQs: http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-do-file-names-work-in-Windows_003f http://cran.r-project.org/bin/windows/base/rw-FAQ.html#R-can_0027t-find-my-file See the posting guide and the footer of this message. On 12/11/2013 06:13, Luca Meyer wrote: Hi, I

Re: [R] sourcing from 2 different computers R code

2013-11-11 Thread Pascal Oettli
Hello, What is the result when you use source("C:/Users/...R")? Regards, Pascal On 12 November 2013 15:13, Luca Meyer wrote: > Hi, > > I have a piece of code sitting on a dropbox directory and haev installed R > 3.0.2 on 2 machines: one MacBook Pro and one Sony Vaio pc. > > Now, when I use >

Re: [R] unable to install package xts

2013-11-11 Thread Pascal Oettli
Hello, You probably should install a Fortran compiler. Regards, Pascal On 12 November 2013 13:40, Wang Chongyang wrote: > I am using Ubuntu 12.04 and unable to install xts. Here are the info: > > usr/bin/ld: cannot find -lgfortran > collect2: error: ld returned 1 exit status > make: *** [xt

[R] sourcing from 2 different computers R code

2013-11-11 Thread Luca Meyer
Hi, I have a piece of code sitting on a dropbox directory and haev installed R 3.0.2 on 2 machines: one MacBook Pro and one Sony Vaio pc. Now, when I use source("/Users/R") to call the script from the Mac no problems, but when I use source("C:\Users\...R") to call the script from the Sony

[R] Test for exogeneity

2013-11-11 Thread jpm miao
Hi, I am building a bivariate SVAR model y_1t=c_1+Ã_1 (1,1) y_(1,t-1)+Ã_1 (1,2) y_(2,t-1)+Ã_2 (1,1) y_(1,t-2)+Ã_2 (1,2) y_(2,t-2)+å_1t b y_1t+ y_2t=c_2+Ã_1 (2,1) y_(1,t-1)+Ã_1 (2,2) y_(2,t-1)+Ã_2 (2,1) y_(1,t-2)+Ã_2 (1,2) y_(2,t-2)+å_2t Now y1 is "relatively" exogenous in that y

Re: [R] unable to install package xts

2013-11-11 Thread Dirk Eddelbuettel
Wang Chongyang gmail.com> writes: > I am using Ubuntu 12.04 and unable to install xts. Here are the info: > > usr/bin/ld: cannot find -lgfortran Do 'sudo apt-get install r-base-dev' to install a set of requirement for building packages, which includes among other things the Fortran library you

Re: [R] Apply function to every 20 rows between pairs of columns in a matrix

2013-11-11 Thread arun
HI, set.seed(25) dat1 <- as.data.frame(matrix(sample(c("A","T","G","C"),46482*56,replace=TRUE),ncol=56,nrow=46482),stringsAsFactors=FALSE)  lst1 <- split(dat1,as.character(gl(nrow(dat1),20,nrow(dat1 res <- lapply(lst1,function(x) sapply(x[,1:8],function(y) sapply(x[,9:56], function(z)

Re: [R] Apply function to every 20 rows between pairs of columns in a matrix

2013-11-11 Thread arun
Hi, May be this what you wanted. res2 <- lapply(row.names(res[[1]]),function(x) do.call(rbind,lapply(res,function(y) y[match(x, row.names(y)),])))  length(res2) #[1] 48  dim(res2[[1]]) #[1] 2325    8 A.K. On Monday, November 11, 2013 10:20 PM, Yu-yu Ren wrote: Thank you so much for that scr

Re: [R] Apply function to every 20 rows between pairs of columns in a matrix

2013-11-11 Thread arun
HI, It's not very clear. set.seed(25) dat1 <- as.data.frame(matrix(sample(c("A","T","G","C"),46482*56,replace=TRUE),ncol=56,nrow=46482),stringsAsFactors=FALSE)  lst1 <- split(dat1,as.character(gl(nrow(dat1),20,nrow(dat1 res <- lapply(lst1,function(x) sapply(x[,1:8],function(y) sapply(x[,9:56]

[R] Getting residual term out of lmer summary table

2013-11-11 Thread aline . frank
Hello I'm working with mixed effects models using lmer() and have some problems to get all variance components of the model's random effects. I can get the variance of the random effect out of the summary and use it for further calculations, but not the variance component of the residual term.

[R] unable to install package xts

2013-11-11 Thread Wang Chongyang
I am using Ubuntu 12.04 and unable to install xts. Here are the info: usr/bin/ld: cannot find -lgfortran collect2: error: ld returned 1 exit status make: *** [xts.so] Error 1 ERROR: compilation failed for package ‘xts’ * removing ‘/home/jasom/R/x86_64-pc-linux-gnu-library/3.0/xts’ Warning in insta

[R] Elastic-R Webinar Invite

2013-11-11 Thread Ray DiGiacomo, Jr.
Hello R-Help Mailing List: Are you interested in running "collaborative" R analytics in the cloud? Join the The Knoxville R User Group and The Orange County R User Group for a free webinar on the "Elastic-R" software platform. Webinar Format: - Introduction to Elastic-R - Live demonstration of t

[R] Saving then Loading Objects/Models into existing workspace.

2013-11-11 Thread Lopez, Dan
Hi R Experts, I need some advice on how to manage the number of models/objects I have in one workspace. Below is typically how I get started each time I begin or resume an analysis. But now I am storing multiple models which are built off of dataframes with dims of 30,000 x 60. I am anticipati

Re: [R] Update a variable in a dataframe based on variables in another dataframe of a different size

2013-11-11 Thread Gabor Grothendieck
On Mon, Nov 11, 2013 at 8:04 PM, Lopez, Dan wrote: > Below is how I am currently doing this. Is there a more efficient way to do > this? > The scenario is that I have two dataframes of different sizes. I need to > update one binary factor variable in one of those dataframes by matching on > two

[R] Update a variable in a dataframe based on variables in another dataframe of a different size

2013-11-11 Thread Lopez, Dan
Below is how I am currently doing this. Is there a more efficient way to do this? The scenario is that I have two dataframes of different sizes. I need to update one binary factor variable in one of those dataframes by matching on two variables. If there is no match keep as is otherwise update.

Re: [R] How do I derive a logical variable in a dataframe based on another row in the same dataframe?

2013-11-11 Thread Lopez, Dan
Hi Gabor, This is a great solution! I will use it. Thank you! Dan -Original Message- From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com] Sent: Monday, November 11, 2013 3:02 PM To: Lopez, Dan Cc: R help (r-help@r-project.org) Subject: Re: [R] How do I derive a logical variable

Re: [R] How do I derive a logical variable in a dataframe based on another row in the same dataframe?

2013-11-11 Thread Lopez, Dan
Thanks. Dan -Original Message- From: arun [mailto:smartpink...@yahoo.com] Sent: Monday, November 11, 2013 2:26 PM To: R help (r-help@r-project.org) Cc: Lopez, Dan Subject: Re: [R] How do I derive a logical variable in a dataframe based on another row in the same dataframe? Hi, You may

Re: [R] How do I derive a logical variable in a dataframe based on another row in the same dataframe?

2013-11-11 Thread Lopez, Dan
Great advice! Thank you. Dan -Original Message- From: William Dunlap [mailto:wdun...@tibco.com] Sent: Monday, November 11, 2013 1:18 PM To: Lopez, Dan; R help (r-help@r-project.org) Subject: RE: [R] How do I derive a logical variable in a dataframe based on another row in the same data

Re: [R] Data Security when using R

2013-11-11 Thread Kevin Wright
As a starting point for answering this question, you might sear Google for "The RAppArmor Package: Enforcing Security Policies in R Using Dynamic Sandboxing on Linux" kw On Mon, Nov 11, 2013 at 4:01 PM, wrote: > >Hello. At the company I work for, I recently requested having R loaded > on

Re: [R] Data Security when using R

2013-11-11 Thread MacQueen, Don
See below -- Don MacQueen Lawrence Livermore National Laboratory On 11/11/13 2:01 PM, "seanstcl...@verizon.net" wrote: > > Hello. At the company I work for, I recently requested having R >loaded onto > my desktop and some of my colleagues. > > My company's IT/Security groups are havin

Re: [R] colours legend, for loop,density plot

2013-11-11 Thread Jim Lemon
On 11/12/2013 09:52 AM, Mª Teresa Martinez Soriano wrote: normal<-sort(rnorm(1000))cauchy<-sort(rcauchy(1000)) t3<-sort(rt(1000,3)) t10<-sort(rt(1000, 10)) col<-c("green","blue","orange","purple") v<-list(normal,cauchy,t3,t10) names(v)<-c("Normal", "Cauchy", "T-stud 3 df

Re: [R] How do I derive a logical variable in a dataframe based on another row in the same dataframe?

2013-11-11 Thread Gabor Grothendieck
On Mon, Nov 11, 2013 at 3:50 PM, Lopez, Dan wrote: > Hi R Experts, > > How do I mark rows in dataframe based on a condition that's based off another > row in the same dataframe? > > I want to mark any combination of FY,ID, TT=='HC' rows that have a > FY,ID,TT=='TER' row with a 1. In my example

[R] colours legend, for loop,density plot

2013-11-11 Thread Mª Teresa Martinez Soriano
Hi , thanks in advance I have the follow code: normal<-sort(rnorm(1000))cauchy<-sort(rcauchy(1000)) t3<-sort(rt(1000,3))t10<-sort(rt(1000, 10)) col<-c("green","blue","orange","purple") v<-list(normal,cauchy,t3,t10) names(v)<-c("Normal", "Cauchy", "T-stud 3

Re: [R] How do I derive a logical variable in a dataframe based on another row in the same dataframe?

2013-11-11 Thread arun
Hi, You may try: fun1 <- function(dat){ dat$EXCL3 <- 0 dat$EXCL3[dat$TT=="HC"] <- 1*as.character(interaction(dat[,1:2]))[dat$TT=="HC"] %in% as.character(interaction(dat[,1:2]))[dat$TT=="TER"] dat } fun1(HTDF) set.seed(14)  indx <- sample(1:nrow(HTDF),12)  HTDF1 <- HTDF[indx,] fun1(HTDF1) A.K.

[R] Data Security when using R

2013-11-11 Thread seanstclair
Hello. At the company I work for, I recently requested having R loaded onto my desktop and some of my colleagues. My company's IT/Security groups are having trouble assessing whether R software meets their standards. Can anyone point me to a source where i can read about how R us

Re: [R] How do I derive a logical variable in a dataframe based on another row in the same dataframe?

2013-11-11 Thread William Dunlap
If you have an algorithm that only works on sorted data, it is easy to write a function that sorts [a copy of] the data, applies the algorithm, then puts the result back in the order of the original data. E.g., f <- function (data) { ord <- with(data, order(TT, ID, FY)) # data[ord,] will be

Re: [R] select .txt from .txt in a directory

2013-11-11 Thread Zilefac Elvis
Thanks, AK. The three codes worked as expected. Again, thanks so much for understanding my problem and proving the right solutions. Atem. On Saturday, November 9, 2013 6:27 PM, arun wrote: HI, The code could be shortened by using ?merge or ?join(). library(plyr) ##Using the output from `lst

[R] How do I derive a logical variable in a dataframe based on another row in the same dataframe?

2013-11-11 Thread Lopez, Dan
Hi R Experts, How do I mark rows in dataframe based on a condition that's based off another row in the same dataframe? I want to mark any combination of FY,ID, TT=='HC' rows that have a FY,ID,TT=='TER' row with a 1. In my example below this is rows 4, 7 and 11. My data looks something like thi

Re: [R] how to introduce missing data for complete data

2013-11-11 Thread MacQueen, Don
Here's a suggestion. The sample() function takes random samples of sets. See ?sample The set you want to take a random sample from is the rows of your data. Represent the rows by their row numbers. To get a vector of row numbers, you can use the seq() function. See ?seq Let's suppose your dat

Re: [R] Date handling in R is hard to understand

2013-11-11 Thread Alemu Tadesse
Thank you all for taking your time and looking at this problem. Yes, date handling is a problem with many languages. I have resolved the rbind not being able to handle different data formats in a column for this specific problem by making the data format a character and later convert back to numeri

Re: [R] ensemble methods

2013-11-11 Thread Bert Gunter
See the R randomForest package. This already does ensemble classification and regression. -- Bert On Mon, Nov 11, 2013 at 10:04 AM, Iut Tri Utami wrote: > Dear Mr/Mrs > > I am Iut, student of graduate student in Bogor Agriculture Institur > I read a book on ensemble methods in data mining by Se

[R] ensemble methods

2013-11-11 Thread Iut Tri Utami
Dear Mr/Mrs I am Iut, student of graduate student in Bogor Agriculture Institur I read a book on ensemble methods in data mining by Seni and Elder and find R code about bagging. I am confused how to call these functions and and how to agregate it with the majority votes? I think there is missing c

Re: [R] (no subject)

2013-11-11 Thread COLLINL
Hi Viarti, can you clarify your question slightly? (1) When you say "the predict value still on pattern scale" what do you mean? It sounds like you are saying that the prediction values are on the Ytraining values specifically or do you mean that you expect the scale to differ. (2) When you say ho

Re: [R] SOLVED: Count number of consecutive zeros by group

2013-11-11 Thread Carlos Nasher
Thanks to all of you. All solutions work fine. I'm running S Ellisons version with Williams comment. Perfect for what I'm doing. And sorry for using a name same as a base R function (twice) ;-) Cheers, Carlos 2013/11/1 PIKAL Petr > Hi > > Yes you are right. This gives number of zeroes not max

Re: [R] Earth (MARS) package with categorical predictors

2013-11-11 Thread Chris Wilkinson
Steve, thanks for your reply. Here is what I get. pkg is a 4-level categorical vector. > is.factor(pkg) [1] TRUE> > summary(pkg) BGA PGA QCC QFP 225 36 19 178 > > dat <- earth(lifetime ~ pkg+pins+volts+temp+doi+logspd, degree=3) ## The other vars are continuous. > s <- 243 > pr <- c(pkg[s],pi

[R] (no subject)

2013-11-11 Thread Viarti Eminita
Dear Mr/Mrs. I am Viarti Eminita, student from magister fifth level of Statistics in Bogor Agriculture University. Mr/ Mrs, now I'm analyzing ANN on time series data, I am learning kohonen package for series data, but when I want to predict, the predict value still on pattern scale. I wanna ask ho

[R] Bar Graph

2013-11-11 Thread Keniajin Wambui
I am using R 3.0.2 on a 64 bit machine I have a data set from 1989-2002. The data has four variables serialno, date, admission ward, temperature and bcg scar. serialno admin_ward date_admn bcg_scar temp_axilla yr 70162Ward2 11-Oct-89 y 38.9 1989 70163 Ward1

[R] Generating bootstrap samples from a panel data frame

2013-11-11 Thread Dereje Fentie
With a data frame (call it *d*) composed of 2000 individuals and *n*observations for each individual (thus *2000n* observations in total), I would like to generate *k* bootstrap samples with replacement from *d*. Amongst other variables, *d* has a numeric variable *id* taking on identical value for

Re: [R] graphics or table

2013-11-11 Thread Jeff Newmiller
Your code is messed up because you posted in HTML. Also, it is not reproducible (e.g. no sample data, incomplete analysis code). (See http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example for more on reproducibility.) Also, this looks very much like homework and t

Re: [R] repeating values in an index two by two

2013-11-11 Thread William Dunlap
Or you can use the integer divide and remainder operators: > n <- 30 > x <- seq(0, len=n) > + (x %% 2) + (x %/% 4)*2 + 1 # period 2 oscillator + jump by 2 every fourth [1] 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 [16] 8 9 10 9 10 11 12 11 12 13 14 13 14 15 16 Bill Dunlap Spo

Re: [R] repeating values in an index two by two

2013-11-11 Thread Iakub Henschen
> n<-7 > rep(seq(1,n,2), each=4)+c(0,1,0,1) [1] 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 rep(), seq(), rbind(), apply() ... whatever: internally there will always be iteration via some loop :-) Ia. On Mon, Nov 11, 2013 at 11:16 AM, Carl Witthoft wrote: > Here's a rather extreme solution: > > foo<-re

Re: [R] repeating values in an index two by two

2013-11-11 Thread Charles Determan Jr
Here is another solution that is a bit more flexible tmp <- seq(8) # split into your desired groups max.groups <- 2 tmp.g <- split(tmp, ceiling(seq_along(tmp)/max.groups)) # do repeats, unlist, numeric index as.numeric(unlist(rep(tmp.g, each = 2))) Hope this works for you, Charles On Mon, Nov

Re: [R] repeating values in an index two by two

2013-11-11 Thread Carl Witthoft
Here's a rather extreme solution: foo<-rep(1:6,each=2) Rgames> foo [1] 1 1 2 2 3 3 4 4 5 5 6 6 Rgames> foo[rep(c(1,3,2,4),3)+rep(c(0,4,8),each=4)] [1] 1 2 1 2 3 4 3 4 5 6 5 6 In the general case, then, it would be something like foo<- rep(1:N, each = 2) # foo is of length(2*N) foo[rep(c(1,

Re: [R] Cross Tabulation

2013-11-11 Thread David Carlson
OK. Then using aggregate(): > data$yes <- ifelse(data$response=="yes", 1, 0) > data$no <- ifelse(data$response=="no", 1, 0) > dataresp <- aggregate(cbind(no, yes)~region+district, data, sum) > dataresp[,3:4] <- dataresp[,3:4]/rowSums(dataresp[,3:4]) > # or dataresp[,3:4] <- prop.table(as.matrix(da

Re: [R] repeating values in an index two by two

2013-11-11 Thread Patrick Burns
> f1 function(x) { one <- matrix(1:x, nrow=2) as.vector(rbind(one, one)) } > f1(8) [1] 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 Pat On 11/11/2013 12:11, Federico Calboli wrote: Hi All, I am trying to create an index that returns something like 1,2,1,2,3,4,3,4,5,6,5,6,7,8,7,8 and so on and

Re: [R] how to introduce missing data for complete data

2013-11-11 Thread Bert Gunter
1. You need to define more explicitly exactly what you mean by "randomly." 2. You need to make an honest effort to learn basic R, e.g. by spending time with the "Introduction to R" document that ships with R or an online tutorial (there are many good ones). Cheers, Bert On Sun, Nov 10, 2013 at 1

[R] r package to solve for Nash equilibrium

2013-11-11 Thread Dereje Fentie
Is there an r package out there that solves for pure strategy* Nash equilibrium of a two-person game*? A search for Nash equilibrium in r provides a link to the *GNE* package which solves for the Generalized Nash equilibrium. But what I would like to solve is a pure strategy Nash equilibrium.

Re: [R] package ‘build-essential’ is not available (for R version 3.0.2)

2013-11-11 Thread Joshua Ulrich
Have you read these instructions? http://cran.r-project.org/bin/linux/ubuntu/README.html They say to run sudo apt-get install r-base-dev which should install 'build-essential' (which is an Ubuntu package, not an R package). -- Joshua Ulrich | about.me/joshuaulrich FOSS Trading | www.fosstradi

Re: [R] repeating values in an index two by two

2013-11-11 Thread Federico Calboli
Hi, first off, thanks for the suggestion. I managed to solve it by doing: IND = rep(c(T,T,F,F), 5) X = rep(NA, 20) X[IND] = 1:10 X[!IND] = 1:10 which avoids any function -- I think mapply, apply etc call a for loop internally, which I'd rather avoid. BW F On 11 Nov 2013, at 12:35, andrija

Re: [R] Apply a function with multiple argument on each column of matrix

2013-11-11 Thread Mohammad Tanvir Ahamed
Thanks !!   Best regards ...  Tanvir Ahamed Göteborg, Sweden On Monday, 11 November 2013, 13:49, Uwe Ligges wrote: On 11.11.2013 13:31, Mohammad Tanvir Ahamed wrote: > Hi there !! > I have a function like > fun <- function(x,y) > { > loe<-loess(y ~ x,span=0.9,fami

Re: [R] Apply a function with multiple argument on each column of matrix

2013-11-11 Thread Uwe Ligges
On 11.11.2013 13:31, Mohammad Tanvir Ahamed wrote: Hi there !! I have a function like fun <- function(x,y) { loe<-loess(y ~ x,span=0.9,family="gaussian") pre<-predict(loe,data.frame(x=x)) return(pre) } Now i have defined : x<-1:500 y<-matrix(rnorm(1000,3),ncol=2) I can manipulate fun(x,y[,1]

Re: [R] MM robust

2013-11-11 Thread S Ellison
> given the model > > y = x1 / 1+ b1x2^b2 >... > i am able to find the parameter of the above model usingnls method, can u > please give hint on how i can solve the same model as above using MM > robust estimate to obtain the parameter. i mean u can illustrate using the > above information to enab

Re: [R] repeating values in an index two by two

2013-11-11 Thread andrija djurovic
Hi. Here are two approaches: c(mapply(function(x,y) rep(c(x,y), 2), (1:10)[c(T,F)], (1:10)[c(F,T)])) c(tapply(1:10, rep(1:(10/2), each=2), rep, 2), recursive=T) Andrija On Mon, Nov 11, 2013 at 1:11 PM, Federico Calboli wrote: > Hi All, > > I am trying to create an index that returns someth

[R] Apply a function with multiple argument on each column of matrix

2013-11-11 Thread Mohammad Tanvir Ahamed
Hi there !! I have a function like  fun <- function(x,y)  { loe<-loess(y ~ x,span=0.9,family="gaussian") pre<-predict(loe,data.frame(x=x)) return(pre) } Now i have defined :  x<-1:500 y<-matrix(rnorm(1000,3),ncol=2) I can manipulate fun(x,y[,1]) . But i want to apply the function on each column

[R] grnn input format usage?

2013-11-11 Thread Cyril Auburtin
I'm trying grnn package, and reproduced the example ( http://cran.r-project.org/web/packages/grnn/grnn.pdf), I tried the example with another x input column in the dataset (see below): but I'm getting the following error "Error in Ya * patterns1 : non-conformable arrays", though I took care to pa

[R] graphics or table

2013-11-11 Thread Enzo Cocca
hi I have this code for a cross validation: >res <- as.data.frame(CV_Pb_var)$residual> sqrt(mean(res^2))> >mean(res)> mean(res^2/as.data.frame(CV_Pb_var)$var1.var) I can not seem to export everything in one table also can I to be exported it graphically? thanks enzo --

[R] repeating values in an index two by two

2013-11-11 Thread Federico Calboli
Hi All, I am trying to create an index that returns something like 1,2,1,2,3,4,3,4,5,6,5,6,7,8,7,8 and so on and so forth until a predetermined value (which is obviously even). I am trying very hard to avoid for loops or for loops front ends. I'd be obliged if anybody could offer a suggestion

Re: [R] Show time in x-axis

2013-11-11 Thread Jim Lemon
On 11/11/2013 09:07 PM, mohan.radhakrish...@polarisft.com wrote: Hi, I am trying to show time( HH:MM:SS) in my x-axis. I have these two questions. 1. The error in the code is Error in axis(1, at = data$Time, labels = data$Time, las = 2, cex.axis = 1.2) : (list) object cannot be

[R] package ‘build-essential’ is not available (for R version 3.0.2)

2013-11-11 Thread Charles Evans
Hello, I have searched on the R-Project site, R-Help archives, and the Internet at large, and I cannot find a solution to my problem. I am running R version 3.0.2 (2013-09-25) -- "Frisbee Sailing" on Ubuntu 13.04. When I try to install several packages, including quantmod, with dependencies=T se

[R] MM robust

2013-11-11 Thread IZHAK shabsogh
given the model y = x1 / 1+ b1x2^b2 given data y<-c(2,3,4,5,6) x1<- c(0.23,0.32,0.43,0.54,0.65) x2<-c(0.11,021,0.31,0.41,0.33) initial parameter b1=0.023 b2=0.045 i am able to find the parameter of the above model usingnls method, can u please give hint on how i can solve the same model as above

[R] Show time in x-axis

2013-11-11 Thread mohan . radhakrishnan
Hi, I am trying to show time( HH:MM:SS) in my x-axis. I have these two questions. 1. The error in the code is Error in axis(1, at = data$Time, labels = data$Time, las = 2, cex.axis = 1.2) : (list) object cannot be coerced to type 'double' Should I use 'POSIXCt' or 'strptime' ?

Re: [R] Date handling in R is hard to understand

2013-11-11 Thread PIKAL Petr
Hi > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Alemu Tadesse > Sent: Friday, November 08, 2013 8:41 PM > To: r-help@r-project.org > Subject: [R] Date handling in R is hard to understand > > Dear All, > > I usually work w

Re: [R] create Geotiff

2013-11-11 Thread Ludwig Hilger
Hi Karren, not sure if this is a problem of the software you are using to view the image after writing? I would first check the color scaling of the image in this software. I would interpret the black background as "no data". regards, Ludwig Karren wrote > Hi > > I am trying to export a raster

[R] Readjusting frequencies

2013-11-11 Thread Katherine Gobin
Dear Forum, I have following data.frame as fraud_data = data.frame(no_of_frauds = c(1, 2, 4, 6, 7, 9, 10), frequency = c(3, 1, 7, 11, 13, 1, 4)) > fraud_data   no_of_frauds frequency 1            1         3 2            2         1 3            4         7 4            6        11 5