On Feb 10, 2011, at 12:23 AM, Matthew Schmidt wrote:
Refresh list was used, but a restart of the client was necessary for
updates to become active.
I was under the impression which I have just corrected that it would
be a simple matter to detach() a package and reload it. My efforts to
document that misconception fell apart after looking at ?detach
So maybe one does need to start a fresh session if one has loaded an
out of date package version and then installed anew version. It
appears that may be especially so if there is a DLL in the package.
Please advise as to appropriate list. Many thanks!
Actually, after reconsideration it probably of more general relevance
than just the Max OS user audience to which I thought you intended
this to be read. The list of lists, however, is reached via a link to
the "R Mailing Lists" which appears in the first paragraph of the R
Help page whose link is in every R-help posting.
--
David.
On Wednesday, February 9, 2011, David Winsemius <dwinsem...@comcast.net
> wrote:
On Feb 9, 2011, at 3:29 PM, matthew.schmidt wrote:
I'm a newb with R and am trying to move from proprietary stats
tools to open
ones. Hopefully this post might help others doing the same.
I downloaded the R package for Mac
Posted to the wrong list.
and hacked together a couple scripts, but
couldn't seem to get the right output. After installing the psych
package, I
tried the test script included in this thread on the console, but I
got
similar results to a prior poster:
x
[1] "red" "yellow" "blue" "red"
y
[1] "red" "blue" "blue" "red"
ck <- cohen.kappa(cbind(x,y))
Error in counts[i, j] <- sum(scores[i, ] == score.levels[j], na.rm
= TRUE) :
subscript out of bounds
In addition: Warning messages:
1: NAs introduced by coercion
2: NAs introduced by coercion
Since I got the impression that there may be a version problem, I
updated
the psych package to the most recent version, 1.0-94 (from source).
After
this, I tried over and over to run the cohen.kappa command, and
still kept
getting the same error.
So I quit R and restarted it, then went to the package manager and
selected
the checkbox next to "psych" to load it, and tried to re-run the
command.
This time I got the expected output:
Call: cohen.kappa1(x = x, w = w, n.obs = n.obs, alpha = alpha)
Cohen Kappa and Weighted Kappa correlation coefficients and
confidence
boundaries
lower estimate upper
unweighted kappa 0.098 0.6 1.10
weighted kappa -0.693 0.0 0.69
Number of subjects = 4
Lesson learned: close and restart the Mac client if you're using
the GUI
front-end in order for changes to the package manager to take effect.
I have a small screenshot for you to look at:
David Winsemius, MD
West Hartford, CT
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