[R] Histogram
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Wed Apr 20 18:10:36 CEST 2005
"Mag. Ferri Leberl" <ferri.leberl at gmx.at> writes:
> Dear everybody!
> I am analysing data from an enquette. The answers are either A or B. How can I
> draw a histogram without transforming the data from characters to numbers? If
> the data are saved in a list M, hist(M[,1]) returns:
>
> Error in hist.default(M[, 1]) : `x' must be numeric
> Execution halted
>
> Thank you in advance!
You can't. Histograms are density estimates for continuous outcomes.
You can do a barplot, however.
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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