install.packages('sos') # if you haven't already
library(sos)
dch <- ???dirichlet
# found 288 matches = help pages on contributed packages
summary(dch)
# in 65 packages
dch
# lists the 288 matches in a table in a browser with links the help pages
# sorted to put the package with the most matches first
As noted in the accompanying vignette, the "sos" package also
supports union and intersection of "findFn" search objects (special
data.frames) AND writing the results to an Excel file with the first
sheet being a package summary and the second being the list of matches
similar to that produced in the browser.
Hope this helps.
Spencer Graves
(lead author of "sos")
On 9/5/2010 8:07 AM, David Winsemius wrote:
On Sep 5, 2010, at 10:53 AM, Donald Braman wrote:
Does anyone know of a package (or workaround) for fitting a dirichlet
distribution by maximum likelihood?
Searching:
RSiteSearch("fitting dirichlet distribution maximum likelihood")
(Rapidly) produces this candidate:
http://finzi.psych.upenn.edu/R/library/VGAM/html/dirichlet.html
(I'm looking for something like this:
http://repec.org/bocode/d/dirifit.html,
that allows for both dependent variables summing to 1 & predictive
variables
of any sort.)
Don
--
Donald Braman
--
Spencer Graves, PE, PhD
President and Chief Operating Officer
Structure Inspection and Monitoring, Inc.
751 Emerson Ct.
San José, CA 95126
ph: 408-655-4567
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