Re: [R] Merge several datasets into one

Hi Lily, I think below codes can work: f<- list.files("D:/output/test/your folde rname",full.names=TRUE,recursive=TRUE) files<- grep(".csv", f) files_merge<- data.frame() for (i in 1:length(f[files])){ data<- read.csv(file=f[files][i],header=TRUE, sep=",") files_merge<- rbind(files_merge,

[R] replace NAs in each column of a matrix with 0 or 1 or 2 with specific proportion

Hello specialist, I have a matrix in which there are NA,0,1 and 2 in each columns. I wanna replace NAs with special proportion of 0,1 or 2 ! for example in df<- matric(df, nrow=50, ncol=100) If in one column the number of NAs = 10 , # of 0=50 , #of 1=25 and # of 2=15 I want to replace 5 of 10 N

[R] couldn't install pcalg package in R 3.1.3

Hi Dears! Would you please let me know how I can install package pcalg for R version 3.1.3 ? I've tried different ways but got error! Thanks inadvance! [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE

Re: [R] find high correlated variables in a big matrix

6, 2016 at 4:32 PM, David Winsemius wrote: > > > On May 6, 2016, at 2:12 PM, Lida Zeighami wrote: > > > > Hi there, > > > > Is there any way to find out high correlated variables among a big > matrix? > > for example I have a matrix called data= 2000*50

[R] find high correlated variables in a big matrix

Hi there, Is there any way to find out high correlated variables among a big matrix? for example I have a matrix called data= 2000*5000 and I need to find the high correlated variables between the variables in the columns! (Need 100 high correlated variables from 5000 variables in column) I could

Re: [R] How to reach the column names in a huge .RData file without loading it

s "Bloom County" comic strip ) > > > On Wed, Mar 16, 2016 at 8:59 AM, Lida Zeighami wrote: > > Hi, > > I have a huge .RData file and I need just to get the colnames of it. so > is > > there any way to reach the column names without loading or reading the &

[R] How to reach the column names in a huge .RData file without loading it

Hi, I have a huge .RData file and I need just to get the colnames of it. so is there any way to reach the column names without loading or reading the whole file? Since the file is so big and I need to repeat this process several times, so it takes so long to load the file first and then take the co

[R] question about categorical variables in R

Hi dear experts, I have a general question in R, about the categorical variable such as Gender(Male or Female) If I have this column in my data and wanted to do regression model or feed the data to seqmeta packages (singlesnp, skat meta) , would you please let me know should I code them first ( ma

[R] intersection between two matrices based on two columns in R

Hi there, I want to find the intersection between two different data frame or matrices based on two columns. for example in matrix A I have 5 columns, the first two columns are Id1 and Id2 and I have the same columns in the other matrix B, (Id1, Id2 ,,,) how can I find the intersection between the

Re: [R] add an idx column to the matrix

e observing such error. Without > more information – at least structure of your data > > > > see ?str > > > > but preferably part of your data causing error and a code you hardly get > any sensible advice. > > > > Cheers > > Petr > > *From:* Lida

Re: [R] add an idx column to the matrix

Goslee wrote: > On Wed, Aug 12, 2015 at 2:04 PM, Lida Zeighami wrote: > > I applied this code in a loop function but since in some matrices there > > isn't any 2, so I got the below error: > > > > idx<- apply(lofGT_met,1, function(x)as.numeric(any(x==2 &

Re: [R] add an idx column to the matrix

t; bb110NA 0 1 0 > cs212 1 0 0 1 > de010NA0 0 0 > gh200 0 0 0 1 > > Sarah > > On Mon, Aug 10, 2015 at 4:11 PM, Lida Zeighami wrote: > >> Hi there, >> &

Re: [R] add an idx column to the matrix

is is an issue. > > Cheers > Petr > > > > -Original Message- > > From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Thierry > > Onkelinx > > Sent: Monday, August 10, 2015 10:29 PM > > To: Lida Zeighami > > Cc: r-help@r-project.org

[R] add an idx column to the matrix

Hi there, I have a matrix contain 0,1,2, NA elements. I want to add a column to this matrix with name of "idx" . then for each row, I should put 1 in this column (idx) if there is at least one 2 in that row otherwise I should put 0 in this column! for example mydata: 125 255 558 23

Re: [R] Reading some csv files from different folders and add the name of each files to the first column of files

olumns and add the result to the all sing object > } > > Now, you just have to do it for the other cases and save your final object. > > Hope this help ! > > Arnaud > > ### > > Date: Sat

[R] Reading some csv files from different folders and add the name of each files to the first column of files

I have 600 folders in which there are 3 csv files. The name of folders are as follows: EA_aa, EA_bb, EA_cc, EA_dd, In each folder there are 3 csv files: in folder EA_aa there are: EA_sing_aa.csvqwerty EA_ska_aa.csv EA_tat_aa.csv In folder EA_bb: EA_sing_bb.csv EA_ska_bb.csv EA_tat

[R] removing the columns with 0 or NA or 1or NA or 2 or NA

I have ma matrix which its elements are NA,0,1,2 ! I got my answer bout removing the columns with 0 or NA or both values but now I want to add additional condition for deleting the columns! I have to delete the columns which contain the same value. delete the columns with NA or 0 or both and the co

[R] remove 0 and NA values

Hi there, I have a matrix which its elements are 0, 1,2,NA I want to remove the columns which the colsums are equal to 0 or NA and drop these columns from the original matrix and create the new matrix for the nonzero and NA value? (I think I have consider na.rm=True and remove the colums with col

[R] select a subset of a matrix which one of its column meet a condition

Hi there, I have a matrix and I want to get a subset from that which one of its matrix meet a condition, my matrix is met Row.names Name maf caf 1 10:13915 10:139 0.0003782148 0.0003782148 2 10:18738 10:1873

[R] add a special column to a matrix

Hi there, I have a two matrices which they have a common column! I want to add the a column of second to matrix to the equivalent column of first matrix! my first matrix is head(mat1) a b c d fg1:23 dfgv 5 pt10:18 tgtgh 1 wq 15:123oiljk

Re: [R] question

aste0("prep", i)) > } > ### > > Mark > > > R. Mark Sharp, Ph.D. > Director of Primate Records Database > Southwest National Primate Research Center > Texas Biomedical Research Institute > P.O. Box 760549 > San Antonio, TX 78245-0549 > Telephone: (210)2

Re: [R] question

I should do this process for 682 row names of "met" matrix and at the end I should have"prep1.RData" , "prep2.RData" , "prep3.RData" so, would you please help me how to do it? Many Thanks, Ati On Wed, Jul 1, 2015 at 1:07 PM, Lida Zeighami wrote:

[R] question

I have 682 variables in a data frame , and a function that I should feed 682 variables in this function one by one and each time save the file as a special name! for emaple: my data frame file includes 682 names : 1 aaa 2 bbb 3 dfdsfg 4 fghh . 682 fgfhg and a function like prep(Z, aaa, .)

[R] question

Hi there, I have a matrix (n*m) which rows including 0,1,2 I want to know the frequency of each elements (0 , 1 , 2) separately for each row! for example : 123 456 7 A 0 1 10 222 B 1 1 1200 2 C 21 10 0