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2011 May 06
1
Conditional plot length in R
Hello All,
Let's say I have data spanning all quadrants of x-y plane. If I plot data
with a certain x and y range using xlim and ylim or by using plot.formula as
described in this link:
http://www.mathkb.com/Uwe/Forum.aspx/statistics/5684/plotting-in-R
*DF <- data.frame(x = rnorm(1000), y = rnorm(1000))
*
*> str(DF)*
*'data.frame': 1000 obs. of 2 variables:
$ x: num -0.0265 0.1554 -0.1050 -0.9697 -0.3430 ...
$ y: num 1.386 -1.356 -1.170 0.426 0.204 ...
Now, let's plot...
2010 Jun 19
1
Extracting P-values from the lrm function in the rms library
...for here.
Specifically, I found these links -- all dead-ends:
https://stat.ethz.ch/pipermail/r-help/2005-August/078210.html <== Nope. Doesn't give right output.
http://r.789695.n4.nabble.com/extracting-p-value-from-an-lrm-object-td854071.html <== Nope. The output is different.
http://www.mathkb.com/Uwe/Forum.aspx/stat-consult/1381/Extracing-p-values-from-lrm-object <== Nope. Wrong output.
Can anyone crack this seemingly simple problem? Surprisingly the answer was not revealed using str(mod3.poly) either.
Thanks in advance,
-----------------------------------
Josh Banta, Ph.D
Center f...