Re: [R] Extract NA data rows

big thanks for all answers ! -- View this message in context: http://r.789695.n4.nabble.com/Extract-NA-data-rows-tp3235568p3237309.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://stat.ethz.ch/

Re: [R] Extract NA data rows

Hi, May be try this : data[which(is.na(data[,2])),] 2011/1/25 typhoong > > hi i have the following dataframe > > x y > 1 345 > 6 NA > 8 123 > 32 123 > 12 NA > 6 124 > 7 NA > > and i want to extract the data rows which contains "NA" data, I tried >

Re: [R] Extract NA data rows

Hi! Try subset(dataframe, is.na(y)) or df[is.na(df$y),] HTH, Ivan Le 1/25/2011 08:07, typhoong a écrit : hi i have the following dataframe x y 1 345 6 NA 8 123 32 123 12 NA 6 124 7 NA and i want to extract the data rows which contains "NA" data,

Re: [R] Extract NA data rows

On 25/01/2011 8:07 p.m., typhoong wrote: hi i have the following dataframe x y 1 345 6 NA 8 123 32 123 12 NA 6 124 7 NA and i want to extract the data rows which contains "NA" data, I tried subset(dataframe,y=="NA") but fail. if you know the answ