Displaying 5 results from an estimated 5 matches similar to: "panel question (plm)"
2009 Mar 04
1
dividing ts objects of different frequencies
Hello,
I have two time series objects, 1 is yearly (population) and the other is
quarterly (bankruptcy statistics). I would like to produce a quarterly time
series object that consists of bankruptcy/population. Is there a pre-built
function to intelligently divide these time series:
br.ts = ts(data=br.df[,-1], frequency = 4, start=c(2001,1), end=c(2008,2))
distPop.ts = ts(data=distPop.df[,-1],
2009 May 13
4
matching period with perl regular expression
Hello,
I have several strings where I am trying to eliminate the period and
everything after the period, using a regular expression. However, I am
having trouble getting this to work.
> x = "wa.w"
> gsub(x, "\..*", "", perl=TRUE)
[1] ""
Warning messages:
1: '\.' is an unrecognized escape in a character string
2: unrecognized escape removed
2009 Jun 12
1
xtable for plm objects
Hello,
I am trying to use Sweave to write up a report, and I have used the
plm package to do some panel models. I am trying to use xtable to make
a nice table for my regression objects (returned by the plm command),
but I am getting the error:
Error in UseMethod("xtable") : no applicable method for "xtable"
It seems like I would want to have xtable treat plm objects exactly
2009 May 08
1
plm: plm.data vs pdata.frame
Hello,
I am trying to use the plm package for panel econometrics. I am just
trying to get started and load my data. It seems from most of the
sample documentation that I need to use the pdata.frame function to
get my data loaded. However, even after installing the "plm" package,
my R installation cannot find the function. I am trying to follow the
example in plmEN.pdf (
2009 Mar 12
3
can I draw 3D plot like this using R?
hi, all
I am looking at R package RGL to draw a colored mesh/surface plot like
this one (from matlab).
http://www.mathworks.com/access/helpdesk/help/techdoc/visualize/cbar.gif
The key features I am looking for is surfaced with grid and color, but
not the terrain-like gradient. but I didn't come even close to it
after browsing through rgl help file.
have anyone drawn something like this