Displaying 9 results from an estimated 9 matches for "baggerly".
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2007 Apr 16
1
My First Function: cryptic error message
Dear List,
My first R function is a rip-off bagging algorithm from pg. 138 of
Everitt and Hothorn's "Handbook of Statistical Analyses using R"
(HSAUR). I'm using recursive partitioning to develop a set of useful
variables in diagnosing ADHD.
I'm running this in ESS in XEmacs 21.4.19, R 2.4.1 on Slackware Linux
11.0 with a 2.6 kernel.
This is almost an entire script,
2003 Jul 23
3
Boosting, bagging and bumping. Questions about R tools and predictions.
I'm interested in further understanding the differences in using many
classification trees to improve classification rates. I'm also interested
in finding out what I can do in R and which methods will allow prediction.
Can anybody point me to a citation or discussion?
Specifically, I want to classify remotely sensed imagery where training
data is extracted on class membership by the user.
2009 Mar 02
2
How to normalize to a set of internal references
Thanks for the advice. My question is more on how to do this?
Let me use a biology gene analysis example to illustrate:
In biology, there are always some house keeping genes which differ
little even at pathological conditions.
We know that at different batches, there are external factors affect
the measurements. For example, overall signal intensity might be
different due to lab reagents.
A
2007 Apr 18
0
Have you seen how these sub-one-cent companies take off on
Good News? For the past two months, every one we have
brought you has shown Amazing Appreciation.
At such a low price even the smallest Gain means a
Significant Percentage Return.
We called (P)(P)(T)(L) as one to watch on Friday because of a
Highly Anticipated Report from the Field. It moved up 13%
on Friday and the news
2008 Aug 17
0
Error fitting overdispersed logistic regression: package dispmod
Hi all,
First, a quick thank you for R; it's amazing.
I am trying to fit models for a count dataset following the overdispersed logisitic regression approach outlined in Baggerly et al. (BMC Bioinformatics, 5:144; Annotated R code is given at the end of the paper) but R is returning an error with the data below. Any help in understanding or overcoming this obstacle is appreciated.
>library(dispmod) # required for dispersion fitting
# Now the data
>counts<-matri...
2007 Jun 28
2
Asterisk and IPv6
In October of last year Marc Blanchet of the Canadian company Viag?nie
made a presentation on how he and others had build IPv6 support into
Asterisk and furthermore demonstrated that it worked. Marc Blanchet
went into some details on how it was done and the amount of work that
had gone into it.
A question is this connection:
When will these additions make their way into the Asterisk mainstream
2007 Apr 18
0
Have you seen how these sub-one-cent companies take off on
Good News? For the past two months, every one we have
brought you has shown Amazing Appreciation.
At such a low price even the smallest Gain means a
Significant Percentage Return.
We called (P)(P)(T)(L) as one to watch on Friday because of a
Highly Anticipated Report from the Field. It moved up 13%
on Friday and the news
2006 Mar 30
0
BUG: FOP reports incorrect (duplicate) IP address until restarted
Hi,
This problem may be related to a configuration problem but I believe it
is a bug in the FOP since restarting the FOP server clears the problem.
Here is the scenario: Using AgentCallBackLogin and have four agents
logged in a call is made to one of the agents directly from an internal
phone. Okay so far. Call is hung up and the same extension is used to
call another agent okay again, no
2008 Mar 05
3
ipf function in R
Hi
I have a 3 x 2 contingency table:
10 20
30 40
50 60
I want to update the frequencies to new marginal totals:
100 130
40 80 110
I want to use the ipf (iterative proportional fitting) function which
is apparently in the cat package.
Can somebody please advice me how to input this data and invoke ipf in R
to obtain an updated contingency table?
Thanks.
By the way I am quite new to R.
--
Dr