Well, it seems to work with me. Y <- as.matrix(airquality) head(Y, n=8) Ozone Solar.R Wind Temp Month Day [1,] 41 190 7.4 67 5 1 [2,] 36 118 8.0 72 5 2 [3,] 12 149 12.6 74 5 3 [4,] 18 313 11.5 62 5 4 [5,] NA NA 14.3 56 5 5 [6,] 28 NA 14.9 66 5 6 [7,] 23 299 8.6 65 5 7 [8,] 19 99 13.8 59 5 8
Z <- Y[,complete.cases(t(Y))==T] head(Z, n=8) Wind Temp Month Day [1,] 7.4 67 5 1 [2,] 8.0 72 5 2 [3,] 12.6 74 5 3 [4,] 11.5 62 5 4 [5,] 14.3 56 5 5 [6,] 14.9 66 5 6 [7,] 8.6 65 5 7 [8,] 13.8 59 5 8 The columns that contained NA were deleted. Le 27 mars 2015 � 10:38, peter dalgaard <pda...@gmail.com> a �crit : > > On 27 Mar 2015, at 09:58 , St�phane Adamowicz > <stephane.adamow...@avignon.inra.fr> wrote: > >> data_no_NA <- data[, complete.cases(t(data))==T] > > Ouch! logical == TRUE is bad, logical == T is worse: > > data[, complete.cases(t(data))] > > > -- > Peter Dalgaard, Professor, > Center for Statistics, Copenhagen Business School > Solbjerg Plads 3, 2000 Frederiksberg, Denmark > Phone: (+45)38153501 > Office: A 4.23 > Email: pd....@cbs.dk Priv: pda...@gmail.com > > > > > > > > > _________________________________ St�phane Adamowicz Inra, centre de recherche Paca, unit� PSH 228, route de l'a�rodrome CS 40509 domaine St Paul, site Agroparc 84914 Avignon, cedex 9 France stephane.adamow...@avignon.inra.fr tel. +33 (0)4 32 72 24 35 fax. +33 (0)4 32 72 24 32 do not dial 0 when out of France web PSH : https://www6.paca.inra.fr/psh web Inra : http://www.inra.fr/ _________________________________ [[alternative HTML version deleted]]
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