Displaying 1 result from an estimated 1 matches for "f_simmatrix".
2010 Nov 18
3
problems subsetting
...uot; or "&" , for isntance :
subset1<-subset1[ (subset1$Class == 1)&& (subset1$Category == 1),]
but it returns an empty data frame.
Anyway, the main problem is
Problem2:
I have a second data frame - a square matrix (rownames == colnames), distm:
distm<-read.table(file=f_simmatrix, sep = ",");
what I want is select ONLY the columns and rows entries matching the
above subset1:
subset2<-distm[subset1$Dataset,subset1$Dataset] returns a matrix of
correct size, but with incorrect entries (established by visual inspection).
this is the same as:
selectedrows<-as...