search for: trialchara

Displaying 1 result from an estimated 1 matches for "trialchara".

2009 May 23
1
Clean up a complex variable
...[1] 0(a=1) 0(b=1) 0.133(b=1) 0.555(a=1) >5.32(a=1) what i need to do is to remove the text (a=1) and (b=1) and the ">" in the V1, and then convert to a numeric variable, and als I am aslo requested that when the value has a=1, the value needs to be divided by 5. what I did is: trialchara<-as.character(trial$V1) trialnum<-gsub("(a=1)|(b=1)|>","",trialchara) the result is [1] "0 ()" "0 ()" "0.133 ()" "0.555 ()" "5.32 ()" How can I get rid of the () symbol? How can I do this part "when the value has a=...