Displaying 20 results from an estimated 94 matches for "timberlak".
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timberlake
2008 Jun 30
3
Is there a good package for multiple imputation of missing values in R?
...imputed values replaced (I don't have Herrell's book).
Any pointers would be appreciated.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2011 Jun 05
3
How to convert a factor column into a numeric one?
...rder given by levels(df$Temp) instead of the sort order in
the recode() 2nd argument.
Any hints?
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2007 Sep 10
1
S-Plus "resample" package and associated functions
...ample() function in R doesn't provide equivalent flexibility of
bootstrap() and bootstrap2().
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2008 Sep 25
1
R function which finds confidence interval for binomial variance
...package with R function that computes a
reasonable confidence interval for v or v'?
Thanks.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2010 Jun 21
2
Singularity in simple ANCOVA problem
...sted R-squared: 0.535
F-statistic: 3.532 on 5 and 6 DF, p-value: 0.07811
Why the NA's here?
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2010 Oct 16
1
Color not displaying when using an autowatchr script
When running RSpec 2.0.0.beta22, I would get colour output in the console
from my specs
Now, with 2.0.0 no color is used.
If I run the rspec command directly, color is displaying again.
I have --color in my .rspec file
Andrew Timberlake
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2008 Apr 01
1
Testing workers
...functional
tests that rely on Backgroundrb?
I didn''t find anything on the Backgroundrb website not on a couple of Google
searches.
Links would be fine.
I keep getting the following error in my functional tests:
"Error while connecting to the backgroundrb server"
Thanks
Andrew Timberlake
andrew at andrewtimberlake.com
082 415 8283
skype: andrewtimberlake
"I have never let my schooling interfere with my education."
--Mark Twain
2009 Sep 03
1
Problem accessing functions in package 'roxygen'
...a similar problem with trim.right(), trim.left() and other
functions I've tried.
Any ideas?
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2008 Apr 10
1
Problem installing and using package "tseries"
...t is 36,864 bytes
and looks superficially okay.
Any ideas as to what's wrong here?
Thanks.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2008 Apr 22
2
Multidimensional contingency tables
...t seem appropriate, as it has no means of
using 'count'.
This must be a common problem.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2009 Apr 13
4
Creating Methods in the Model?
Hey Everyone.
First day diving in to ROR and Ruby...
My question is how do you define methods with in the model class and/or
should I even be doing this?
It is my understanding that you should put as much of the business logic
into the model as possible. I want to do some data manipulation before
I things are submitted to the database
IE (Create a variable out of two submitted via form, as
2008 Aug 25
1
Specifying random effects distribution in glmer()
...he right package and function?
3. What am I doing wrong?
Any help would be appreciated.
Thanks.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2007 May 03
4
Survival statistics--displaying multiple plots
Hello all!
I am once again analyzing patient survival data with chronic liver disease.
The severity of the liver disease is given by a number which is continuously
variable. I have referred to this number as "meld"--model for end stage
liver disease--which is the result of a mathematical calculation on
underlying laboratory values. So, for example, I can generate a Kaplan-Meier
plot
2009 Jan 23
3
Bug regarding ActiveRecord and TimeWithZone
I''ve discovered a strange behavior regarding ActiveRecord and
TimeWithZone
I''ve seen the error when using SQL Server, I have not yet tried with any
other database.
Here''s output from the console - "User" is a simple model made with a
migration.
-----------------------------------------
>> d1 = User.find(:first).created_at
=> Thu, 21 Jun 2001
2008 Jul 12
5
shapiro wilk normality test
Hi everybody,
somehow i dont get the shapiro wilk test for normality. i just can?t
find what the H0 is .
i tried :
shapiro.test(rnorm(5000))
Shapiro-Wilk normality test
data: rnorm(5000)
W = 0.9997, p-value = 0.6205
If normality is the H0, the test says it?s probably not normal, doesn
?t it ?
5000 is the biggest n allowed by the test...
are there any other test ? ( i know qqnorm
2007 Apr 25
0
Use of Lexis function to convert survival data to counting format
...#39;start' and 'stop', of which arguments I am apparently clueless as to
the meaning.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2007 Jul 23
0
Conditional logistic regression on n:m matched "cohort" data
...t ~ lab + strata(specimen), method="exact", data=mydata)
all that is required?
Thanks.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2007 Jul 23
0
Conditional logistic regression on n:m matched "cohort" data [Corrected]
...method + strata(specimen), method="exact", data=mydata)
all that is required?
Thanks.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"
2007 Aug 24
1
chi-square statistics
I'm wondering if R has functions to return pvalues with given x-squares and
df. I googled for it but couldn't seem to find one. Appreciate any helps
here.
An example: df=4, x<- c(33.69, 32.96, 30.90) which are the statistic for
chi-square, I'd like to get the corresponding pvalues for each values in x.
Thanks.
-Karen
[[alternative HTML version deleted]]
2007 Oct 18
0
Getting 'tilting' confidence intervals in R
...Also, use of any other packages to accomplish the tilting interval
would also be useful.
Thanks.
================================================================
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: ral at lcfltd.com
Least Cost Formulations, Ltd. URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239 Fax: 757-467-2947
"Vere scire est per causas scire"