Hi Everybody,
I am having problem while running a code in R related to knn imputation of
my matrix.
The code i am using is as follows:
t <- read.table(file="/home/ankhee/Desktop/Different_datasets/KADOSH_2005",
check.names=FALSE, row.names=1,colClasses=NA, sep="\t",header=T)
r<-as.matrix(t)
limit<-dim(r)
a<-(colSums(is.na(r))/limit[1])*100
b<-which(a<=30)
r.subt<-r[,b]
r.subt<-as.matrix(r.subt)
v<-dim(r.subt)
p<-((rowSums(is.na(r.subt))/v[2])*100)
q<-which(p<=20)
r.sub<-r.subt[q,]
mydata <- list(x=r.sub)
library(pamr)
r.imputed<-pamr.knnimpute(mydata,k=9)
And the same time the error i am getting is:
*** caught segfault ***
address 0x5d1da0bb, cause 'memory not mapped'
Segmentation fault
I tried to look for the same error related to knn imputation but i could not
fish out anything of that sort.
So anybody who has idea or solution in this regard please try to help me
out.
Thank you in advance.
Regards
--
Ankhee Dutta
project trainee,
JNU,New Delhi-67
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