- Forwarded Message - From: PIKAL Petr To:
azam jaafari Cc: r-help mailing list
Sent: Wednesday, December 16, 2020, 3:39:06 PM
GMT+3:30Subject: RE: [R] space between bars of a group in ggplot2
Hi,
Keep your emails on the list, please.
here are some artificial data
dput(dat
Hello Dear
I want to make a barplot for groups with three repetitions and same values.
dataset is like this:
groups: a b
c
value: 1.2, 1.2, 1.2 2.5, 2.5,2.5
Condition: sat, sat, sat,
Hello everybody
I try to fit a neural network on my data by using package 'neuralnet' or
'nnet'.
I did it several times but I got an unexpected answer,
this is my code (num.obs=100):
(
library('nnet')
y<-data.frame(data$CU) (y is cu concentration)
x<-data.frame(data$mrvbf,data$plcurvature
Dear All
I want to convert a scatter plot to a continuous contour plot. I have "x" as a
variable and "y" as another variable.
is there any package for this?
can anybody halp me?
Thanks
Azam
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R-help@r-
Hello All
I want to convert a scatter plot to a continuous contour plot. I have "x" as a
variable and "y" as another variable.
is there any package for this?
can anybody halp me?
Thanks
On Sun, 2/23/14, r-help-requ...@r-project.org
wrote:
Sub
http://www.iolcus.gr/kfaiyjg/swwpuokfd
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R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide
Hi
I want to make a grid map using diversity indices. I have a soil grid map with
7 class in r.
how can I make a diversity map based on soil map in r? I found something for
calculation diversity in a table (.csv).
Thanks
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Hi list
I want to define a moving window based on ferquency in a grid file.
is there a package for this? I found packages for moving window mean, median or
quantile.
thanks
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R-help@r-project.org mail
n I do?
I do not understand. What do you want to do with your data? Maybe you
could consult spatial package or CRAN Task views. One option could be to
make vectors of row and columns coordinates. But it depends on what you
want to do with your data.
Regards
Petr
>
> Thanks
>
>
Thank you Petr
It work.
Now I have a matrix 970*960. If I want to convert to spatial grid (each pixel
has x and y coordinate).
How can I do?
Thanks
From: Petr PIKAL
To: azam jaafari
Cc: R-help
Sent: Thursday, September 1, 2011 8:59 AM
Subject: Re: [R] convert to grid file
Hi
Hi
I computed probability in each cell.
I have:
[99883,] -0.0062412957690
[99884,] -0.0062412957690
[99885,] -0.0062412957690
[99886,] -0.0062412957690
[99887,] -0.0062412957690
[99888,] -0.0062412957690
[99889,] 0.9909126638948
[99890,] 0.9909126638948
[99891,] 0.9909126638948
[99
Hi
I have a problem for saving grid file in R. I want to save a grid file as
"tif".
I write this: writeGDAL(predict.grid, 'predict.tif')
after running, I don't recieve any error. But when I want to open the
'file.tif', it doesn't open.
for example in paint program: I recieve this: Paint
Hi
I used neuralnet for predciton new covarites. Ir give me the predictions as
matrix 1*, . I want to convert the predictions to grid map.
Please help me
Thank you so much
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R-help@r-project.org m
Dear All
I trained a neural network for 200 data and I did prediction for a grid file
(e.g. 100 points) such as below:
snn<-predict(nn, newdata=data.frame(wetness=wetnessgrid$band1,
ndvi=ndvigrid$band1))
the pixels of snn is same with wetnessgrid or ndvigrid
I want to convert thi
Hello all
I have a geology map that has three level, bellow
<-geology
lithology landscape landform
landform level is used as covariate (with codes=1,2,3,4,5) for training of
neural network, but this level has missing data as NA.
I want to replace the missing data of landform level wi
Dear All
I trained a neural network for 200 data and I did prediction for a grid file
(e.g. 100 points) such as below:
snn<-predict(nn, newdata=data.frame(wetness=wetnessgrid$band1,
ndvi=ndvigrid$band1))
the pixels of snn is same with wetnessgrid or ndvigrid
I want to convert this f
Dear All
I want to import the vector file ( .shp) to R. I could import the file by
rgdal package before, by following:
geology<-readOGR('C:/geology//saga/geo.geom','finalgeology')
but now there is an error:
Error in ogrInfo(dsn = dsn, layer = layer, input_field_name_encoding =
input_fi
Hi
I want to do boosted regression(classification) tree for categorical response
(with 7 levels). Can I do this by GBM package?
please help me?
Thanks alot
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R-help@r-project.org mailing li
Hi
I want to draw a plot from observed and predicted data and also shows threshold
and data before threshold are identified with different color from data after
threshold.
Suppose:
abserved data are 0 or 1
predicted data= 0 to 1
threshold=0.5
Thanks alot
[[alternative
Hello
I have questions about gbm package. It seems we have to devide data to two
part (training set and test set) for first.
1- trainig set for running of gbm function
2- test set for gbm.perf
is it rigth?
I have 123 sample that I devided 100 for trainig and 23 for test.
So, paramet
please help me
again I have a problem.
I want to do cross-validation for multinomial log. reg. I have a response
variabe with 7 levels (Z((a,b,c,d,e,f,g)) and 4 predictor(1 classifier and 3
continuous). I did:
#data with 100 observations
> library('bootstrap')
>x<-matrix(c(data$H, data
S4 class to a vector
Is it incorrect?
Azam
--- On Wed, 6/9/10, Uwe Ligges wrote:
From: Uwe Ligges
Subject: Re: [R] bootpred for multinomial
To: "azam jaafari"
Cc: "R-help"
Date: Wednesday, June 9, 2010, 5:46 AM
On 09.06.2010 13:26, azam jaafari wr
I applied bootpred for multinomial logistic reg. (with nnet package). I used
same as theta.fit and theta.predict of R for my data. but give me error. Can I
do this with
response vriable;7 levels
predictor variables:5 (1 classifier, 4 continuous)?
Thanks alot
Azam
[[alternativ
Hi
I want to do leave-one-out cross-validation for multinomial logistic regression
in R. I did multinomial logistic reg. by package nnet in R. How I do
validation? by which function?
response variable has 7 levels
please help me
Thanks alot
Azam
[[alternative HTML version d
Hi
I carried out multinomial logistic reg. in R by package 'nnet'.
response variable has 7 level and predictors (4 variable) are classifier and
continuous.
I want to present results as figur but I can't. also, I read R example but I
have cell grid and I can't define data.frame.
please help me
Dear All
Â
Pleas help me to increase the memory in R.
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In order increase memory, I read the FAQ and follow the instruction as below
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Close R, then right-click on your R program icon (the icon on your desktop or
in your programs directory). Select ``Properties'', and then select the
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1854140036 -1783225921 1484611221 1365746860 -346485118
[31] 1206044253 1201793367 956757054 350214264 -1324711077
.
.
.
please help me
Thanks alot
--- On Wed, 5/26/10, Joris Meys wrote:
From: Joris Meys
Subject: Re: [R] validation logistic regression
To: "azam jaafari"
Cc: r-help@r-p
t: Re: [R] validation logistic regression
To: "azam jaafari"
Cc: r-help@r-project.org
Date: Wednesday, May 26, 2010, 5:00 AM
Hi,
first of all, you shouldn't backtransform your prediction, use the option
type=response instead :
salichpred<-predict(salic.lr, newdata=profileva
ct: Re: [R] validation logistic regression
To: "azam jaafari"
Cc: r-help@r-project.org
Date: Wednesday, May 26, 2010, 5:00 AM
Hi,
first of all, you shouldn't backtransform your prediction, use the option
type=response instead :
salichpred<-predict(salic.lr, newdata=profilevalida
Hi
I did validation for prediction by logistic regression according to following:
validationsize <- 23
set.seed(1)
random<-runif(123)
order(random)
nrprofilesinsample<-sort(order(random)[1:100])
profilesample <- data[nrprofilesinsample,]
profilevalidation <- data[-nrprofilesinsample,]
salich<-p
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