subject:"\[R\] questions on csv reading"

Re: [R] questions on csv reading

2009-09-26 Thread Gabor Grothendieck

2009/9/26 "Jens Oehlschlägel" : > Hi, > > Is there any official way to determine the colClasses of a data.frame? > Why has POSIXct such a strange class structure? > Why is colClasses "ordered" not allowed (and doesn't work)? > > Background > == > I am writing a chunked csv reader that provi

[R] questions on csv reading

2009-09-26 Thread Jens Oehlschlägel

Hi, Is there any official way to determine the colClasses of a data.frame? Why has POSIXct such a strange class structure? Why is colClasses "ordered" not allowed (and doesn't work)? Background == I am writing a chunked csv reader that provides the functionality of read.table for large f