Hello, Thanks everyone for helping me with the previous queries. step 1: Here is the orginal data: short sample ProbeID Sample_1_D Sample_1_C Sample_2_D Sample_2_C 1 224588_at 2.425509867 11.34031409 11.46868531 11.75741478 step 2: i calculate the variance of the sample using this R code x<-1:20000 y<-2:141 data.matrix<-data.matrix(data[,y])#create data.matrix variableprobe<-apply(data.matrix[x,],1,var) step 3: however, when i type in variableprobe, it gives me this. 1 21.58257457 step 4: I need the code to output this: ProbeID Variance 1 224588_at 21.58257457 What do i need to do to modify the code to give me better description like the one above? thank. Keizer -- View this message in context: http://www.nabble.com/Variance-Calculation-in-R-tp15790621p15790621.html Sent from the R help mailing list archive at Nabble.com.
sorry...in step 4-i need the R code to output in this format when i export to excel. ProbeID Variance 1 224588_at 21.58257457 thanks Keizer_71 wrote:> > Hello, > > Thanks everyone for helping me with the previous queries. > > step 1: Here is the orginal data: short sample > > ProbeID Sample_1_D Sample_1_C Sample_2_D Sample_2_C > 1 224588_at 2.425509867 11.34031409 11.46868531 11.75741478 > > step 2: i calculate the variance of the sample using this R code > > x<-1:20000 > y<-2:141 > data.matrix<-data.matrix(data[,y])#create data.matrix > variableprobe<-apply(data.matrix[x,],1,var) > > step 3: however, when i type in variableprobe, it gives me this. > > 1 21.58257457 > > step 4: I need the code to output this: > > ProbeID Variance > 1 224588_at 21.58257457 > > > What do i need to do to modify the code to give me better description like > the one above? > > thank. > Keizer > > > >-- View this message in context: http://www.nabble.com/Variance-Calculation-in-R-tp15790621p15790768.html Sent from the R help mailing list archive at Nabble.com.
Hi Henrique, It is definitely better, but it doesn't show me the ProbeID which identify the probes name Here was the result when i export to excel with your code. "Variance" 1 2.425509867 21.6216446425273 any suggestions? thanks, Kei Keizer_71 wrote:> > Hello, > > Thanks everyone for helping me with the previous queries. > > step 1: Here is the orginal data: short sample > > ProbeID Sample_1_D Sample_1_C Sample_2_D Sample_2_C > 1 224588_at 2.425509867 11.34031409 11.46868531 11.75741478 > > step 2: i calculate the variance of the sample using this R code > > x<-1:20000 > y<-2:141 > data.matrix<-data.matrix(data[,y])#create data.matrix > variableprobe<-apply(data.matrix[x,],1,var) > > step 3: however, when i type in variableprobe, it gives me this. > > 1 21.58257457 > > step 4: I need the code to output this: > > ProbeID Variance > 1 224588_at 21.58257457 > > > What do i need to do to modify the code to give me better description like > the one above? > > thank. > Keizer > > > >-- View this message in context: http://www.nabble.com/Variance-Calculation-in-R-tp15790621p15791115.html Sent from the R help mailing list archive at Nabble.com.