Hi So let's call first data frame df1 and second df2 #replace NA with 2.36 df2y <- lapply(df2, function(x) (ifelse( is.na(x), 2.36,x)))
#combibe both <- rbind(df1, df2) With best regards Denis У Няд, 23/01/2011 у 12:41 +0700, Jumlong Vongprasert піша: > Dear All. > I have some problem with combined two data frame. > .... > I have first data frame .. > > GPAX THAI MATH SCINCE SOCIAL HEALT ART CAREER LANGUAGE > 1227 2.99 3.32 2.50 2.64 3.05 3.60 3.72 3.57 2.62 > 1704 2.81 2.56 2.48 2.86 3.22 3.19 3.55 3.20 2.51 > 617 2.18 1.90 1.97 2.06 2.38 3.50 3.54 2.33 1.70 > 876 2.82 3.14 2.73 2.46 2.71 3.11 3.04 3.24 2.90 > 1699 3.00 2.61 2.50 2.71 3.52 3.82 3.51 3.79 2.71 > 1054 2.64 2.94 2.00 2.35 3.05 3.81 3.59 2.98 1.99 > 31 2.73 2.86 2.34 2.57 3.03 3.35 3.24 3.18 2.24 > 164 2.74 2.95 2.10 2.64 2.82 3.51 3.33 3.32 2.37 > 1742 2.24 2.43 1.82 1.65 2.53 3.35 2.51 2.40 2.05 > 436 2.63 2.58 2.11 2.17 2.74 3.44 3.67 3.31 2.90 > 453 2.67 2.46 1.90 2.44 3.10 3.74 3.38 3.11 1.92 > > and second data frame > > GPAX THAI MATH SCINCE SOCIAL HEALT ART CAREER LANGUAGE > 156 NA 3.38 2.78 3.01 3.49 3.83 3.67 3.73 2.92 > > and y = 2.36 > > 1. I want to replace NA with y in second data frame, how I can do. > 2. I want to combined first and second data frame, how I can do. > > Many Thanks ______________________________________________ R-help@r-project.org 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.
