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einfacher
2011 Jun 03
4
Problem using read.xls - Everything converted to factors
..."factor" as class. I tried to use the colClasses option as above and
as well with " "'s around each word, but this does not work and I will
always receive the following error:
Fehler in is(object, Class) :
versuche einen Slot "className" von einem Objekt der einfachen Klasse
("list") ohne Slots anzufordern
Calls: read.xls -> read.csv -> read.table -> <Anonymous> -> is
After some hours of reasearch I figured out how I can manually change
the classes of the columns:
testfile$GDP2<-as.numeric(levels(testfile$GDP2))[testfile$GDP2]...