search for: d1gdppcsa

Displaying 1 result from an estimated 1 matches for "d1gdppcsa".

2011 May 19
1
Converting Variable Name into String
Hello, I would like to create lagged and delta variables from a set of variables and then add them to a dataframe Suppose that GDPPcSa is a variable. I would like to be able to do this QuarterlyData$D1GdpPcSa = diff(GDPPcSa , 1) in an automated fashion so that I loop over Quartely data to compute the first difference of its variables and add them to the dataframe. .It would be great to get a way to create the string "D1GdpPcSa" knowing that the name of the var is GdpPcSa. Then I can add the...