Hi everyone, After reading the external file into R it will become a R dataset. Now my querry is i want to dispaly only character variables from that dataset. please help me in this aspect. if possible send me the code. it will be very helpful for us. Thank you in Advance. -- View this message in context: http://www.nabble.com/Display-the-character-variables-in-a-dataset-in-R-tp25002163p25002163.html Sent from the R help mailing list archive at Nabble.com.
baptiste auguie
2009-Aug-17 09:05 UTC
[R] Display the character variables in a dataset in R
Hi, If you have a data.frame, perhaps this can help, tc = textConnection("carat cut color clarity depth table price x y z 1 0.23 Ideal E SI2 61.5 55 326 3.95 3.98 2.43 2 0.21 Premium E SI1 59.8 61 326 3.89 3.84 2.31 3 0.23 Good E VS1 56.9 65 327 4.05 4.07 2.31 4 0.29 Premium I VS2 62.4 58 334 4.20 4.23 2.63 5 0.31 Good J SI2 63.3 58 335 4.34 4.35 2.75 6 0.24 'Very Good' J VVS2 62.8 57 336 3.94 3.96 2.48") h = read.table(tc,head=T) close(tc) str(h) 'data.frame': 6 obs. of 10 variables: $ carat : num 0.23 0.21 0.23 0.29 0.31 0.24 $ cut : Factor w/ 5 levels "Fair","Good",..: 5 4 2 4 2 3 $ color : Factor w/ 7 levels "D","E","F","G",..: 2 2 2 6 7 7 $ clarity: Factor w/ 8 levels "I1","SI2","SI1",..: 2 3 5 4 2 6 $ depth : num 61.5 59.8 56.9 62.4 63.3 62.8 $ table : num 55 61 65 58 58 57 $ price : int 326 326 327 334 335 336 $ x : num 3.95 3.89 4.05 4.2 4.34 3.94 $ y : num 3.98 3.84 4.07 4.23 4.35 3.96 $ z : num 2.43 2.31 2.31 2.63 2.75 2.48 h[ , !sapply(h[2,], is.numeric)] cut color clarity 1 Ideal E SI2 2 Premium E SI1 3 Good E VS1 4 Premium I VS2 5 Good J SI2 6 Very Good J VVS2 HTH, baptiste 2009/8/17 rajclinasia <raj at clinasia.com>:> > Hi everyone, > > After reading the external file into R it will become a R dataset. Now my > querry is i want to dispaly only character variables from that dataset. > please help me in this aspect. if possible send me the code. it will be very > helpful for us. > > Thank you in Advance. > -- > View this message in context: http://www.nabble.com/Display-the-character-variables-in-a-dataset-in-R-tp25002163p25002163.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help at 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. >-- _____________________________ Baptiste Augui? School of Physics University of Exeter Stocker Road, Exeter, Devon, EX4 4QL, UK http://newton.ex.ac.uk/research/emag