Displaying 1 result from an estimated 1 matches for "data_cleaned".
2008 Feb 12
3
regular expression for na.strings / read.table
...78 56 89 56 100
...but which would work (Stars are still there)! Do anyone knows how to do
that ?
2-Second solution:
- first read the file with DATA<-read.csv("test.txt")
- then replace all fields containing a * with NA in applying the following
function to the object DATA:
DATA_cleaned<-apply(DATA,c(1,2),function(x){if(length(grep("\\*",x,value=TRUE))==1){x<-NA}})
DATA_cleaned
X1 X.789 LNM. X78 X56 X89 X56.1 X100
[1,] NULL NULL NULL NULL NULL NULL NULL NULL
[2,] NULL NULL NULL NULL NULL NULL NULL NULL
[3,] NULL NULL NULL NULL NULL NULL NULL NA...