Luca Penasa wrote: > Hi everybody, > Im a newbie, but i hope someone can help me in this work... > Ill try to explain what i need to do in the best way, but my english is > not good... > Iv imported a big table of data, this table is something like this: > > 255 0 255 0 255 255 255 0 255 0 > 255 255 255 255 0 255 255 0 255 0 > 255 255 255 255 255 255 255 0 255 0 > 255 255 255 255 0 255 255 0 255 0 > 255 255 0 255 255 255 255 0 255 0 > 255 255 255 0 255 0 0 255 0 255 > > I need to calculate for every row the number of cells with "255" and the > number of cells with "0"... from this values i would like to obtain the > percentage of 0 presents in the row.... after i want to plot the data in > a graph showing the variations of this percentage along the rows... > > What i want to obtain is an array of this type: > 40 > 30 > 20 > 30 > 30 > 40 > > Someone can give me a hint on how to obtain this?? maybe anybody can > suggest me the functions i could use... > > what software do you suggest me for plot the data?? i was thinking in > gnuplot.... so i can plot the graph in svg format... > If I understand this, "freq" in prettyR might give the result you want, e.g.
library(prettyR) apply(as.matrix(big.table),1,freq) Jim ______________________________________________ [email protected] 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.

