search for: 1000x13

Displaying 1 result from an estimated 1 matches for "1000x13".

Did you mean: 1000513
2010 May 04
1
Extract rows with non-zero elements
...econd column contains information about the height of a claim: it might be zero or positive. I would like to do an analysis on the positive part of this matrix, but I do need the other colums with this. So if there are like 1000 rows where the second column is positive, I would like to extract this 1000x13 matrix into another matrix. The beginning of my code is: Cars <- read.csv(filename, header=TRUE, row.names=NULL, sep=";") attach(Cars) n <- as.numeric(n) s <- as.numeric(s) # et cetera, the other variabeles are declared as numeric or as factors # I've tried to extract the...