Re: [R] FW: FW: Unable to Plot using headers (converting to Numeric)

2011-05-27 Thread Struckmeier, Nathanael
David Winsemius [mailto:dwinsem...@comcast.net] Sent: Friday, May 27, 2011 2:14 PM To: Struckmeier, Nathanael Cc: R-help@r-project.org Subject: Re: [R] FW: FW: Unable to Plot using headers (converting to Numeric) On May 27, 2011, at 5:06 PM, Struckmeier, Nathanael wrote: > I tried command >

Re: [R] FW: FW: Unable to Plot using headers (converting to Numeric)

2011-05-27 Thread David Winsemius
On May 27, 2011, at 5:06 PM, Struckmeier, Nathanael wrote: I tried command as.numeric(Qty)#converting column"Qty" in object "demand" to numeric. However it remains a non-numeric value. Right. You didn't assign it to anything. AND since you are apparently following the IMO misguided advi

[R] FW: FW: Unable to Plot using headers (converting to Numeric)

2011-05-27 Thread Struckmeier, Nathanael
I tried command as.numeric(Qty)#converting column"Qty" in object "demand" to numeric. However it remains a non-numeric value. What is the best way to convert a column of data to a numeric value in R? What is the best way to convert dates into a numeric format (or some format able to be used i