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Hello, I hope somebody can help me. I'm using the R-comander with library(Rmcdr). Using the menu, I added an new data-matrix . After I wanted to draw a pie chart, but the problem is, that the pie...
Hello, using the syntax aggregate(daten[,c(3,4)], list(A,B), mean) I'm getting the following data.frame: A B C D 1 35 1 6.16000 5 2 47 1 31.24333 20 3 54 1 26...
Hello, I try to transform a data frame like A B C 1 1 2,5 2 2 NA 3 1 1,0 4 1 56 5 2 23 6 1 NA 7 2 46 to the following dataframe, calculating...
Hello, I had to give some more information to my posting: as ouput there are more than one row, depending on the values of column A (transformierung to distinct values, here 3 and 4, but there are much more) > A...
this works now, cbind(summaryBy(B+C~ A, data=df, FUN=c(mean, var)), 'numrows'=as.numeric(table(df$A))) but now, I cannot add another column D beside A, as I do before, like cbind(summaryBy(B+C~ A...
now it works again, length gave the same resultat as 'numrows'=as.numeric(table(df$A))) thanks for your help Macki ----- Original Message ----- From: "Henrique Dallazuanna" <wwwhsd at gmail.com> To: "Agrarimmobilien" <ralf.pfeiffer at agrarimmobilien.info> Cc: <r-help...
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