condition1 | condition2 (or) condition1 & condition2 (and) tmp$PRODUCTS[tmp$PRODUCTS > 70 | tmp$PRODUCTS < 20] <- NA
b On Mar 26, 2007, at 12:47 PM, Sergio Della Franca wrote: > Ok, this run correctly. > > Now i want to perform much more conditions, i.e.: > > tmp$PRODUCTS[tmp$PRODUCTS > 70] <- NA > > and > > tmp$PRODUCTS[tmp$PRODUCTS < 20] <- NA. > > How can i perform this double condition in the same code? > > > 2007/3/26, Benilton Carvalho <[EMAIL PROTECTED]>: say your data > frame is called "tmp" > > tmp$PRODUCTS[tmp$PRODUCTS > 70] <- NA > > b > > On Mar 26, 2007, at 12:31 PM, Sergio Della Franca wrote: > > > Dear R-Helpers, > > > > I want to substitute the contents of a variable under some > contitions. > > > > I.e., I have this data set: > > > > YEAR PRODUCTS > > 1 80 > > 2 90 > > 3 50 > > 4 60 > > 5 30 > > > > I want to perform this condition: > > if products> 70 then products=NA else products=products. > > > > I'd like to achive the seguent result: > > > > YEAR PRODUCTS > > 1 NA > > 2 NA > > 3 50 > > 4 60 > > 5 30 > > How can i develop this? > > > > > > Thank you in advance. > > > > > > Sergio Della Franca > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@stat.math.ethz.ch mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting- > > guide.html > > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
