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62 results for “from:Seeliger, Curt”

aggregate taking way too long to count.
Seeliger.Curt at epamail.epa.gov · Feb 10, 2009 · r-help

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aggregate taking way too long to count.
Seeliger.Curt at epamail.epa.gov · Feb 10, 2009 · r-help

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Geographic distance between lat-long points in R?
Seeliger.Curt at epamail.epa.gov · Apr 11, 2011 · r-help

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Testing whether a number belong to a set
Seeliger.Curt at epamail.epa.gov · Feb 2, 2011 · r-help

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Error loop: missing value where TRUE/FALSE needed
Seeliger.Curt at epamail.epa.gov · Feb 25, 2011 · r-help

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Geographic distance between lat-long points in R?
Seeliger.Curt at epamail.epa.gov · Apr 11, 2011 · r-help

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Error in importing table from SQL to R
Seeliger.Curt at epamail.epa.gov · May 21, 2009 · r-help

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Citing R in journal articles (or the failure to)
Seeliger.Curt at epamail.epa.gov · Nov 12, 2008 · r-help

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SAS "datalines" or "cards" statement equivalent in R?
Seeliger.Curt at epamail.epa.gov · Dec 7, 2009 · r-help

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doSMP package works better than perfect, at least sometimes.
Seeliger.Curt at epamail.epa.gov · Apr 19, 2011 · r-help

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R-User groups in North America (SF, LA, NYC, Ottawa)
Seeliger.Curt at epamail.epa.gov · Apr 22, 2009 · r-help

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Applying function to a TABLE and also "apply, tapply, sapply etc"
Seeliger.Curt at epamail.epa.gov · Dec 15, 2010 · r-help

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R crashes while appending to a created table from SQL Server
Seeliger.Curt at epamail.epa.gov · Mar 18, 2009 · r-help

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RODBC changes data types when reading from MS SQL Server 2005 -- How to fix?
Seeliger.Curt at epamail.epa.gov · Mar 17, 2009 · r-help

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OT was Re: The elegant way to test if a number is a whole number
Seeliger.Curt at epamail.epa.gov · Sep 8, 2011 · r-help

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identical(length(x), 1) returns FALSE, but print(length(x)) is 1, length(x)==1 is TRUE, and is.integer(lenght(x)) is TRUE????
Seeliger.Curt at epamail.epa.gov · Sep 15, 2009 · r-help

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What made us so popular Nov 16-20?
Seeliger.Curt@epamail.epa.gov · Nov 28, 2005 · r-help

Duncan asks: > Did we get mentioned somewhere (e.g. Slashdot), or was someone just > experimenting with some automated downloading? R was mentioned in last week's (I think) O'Reilly newsletter, which included a link to a short article showing...

Variable selection in clusters using 1-R2 ratio
Seeliger, Curt · Oct 27, 2017 · r-help

Folks, I am looking for a means for calculating the 1-R^2 ratio for variable selection to mimic the values of PROC VARCLUS in SAS. While there may be better methods for variable selection, we are trying to duplicate...

Assign references
Seeliger.Curt@epamail.epa.gov · Oct 7, 2005 · r-help

Folks, I've run into trouble while writing functions that I hope will create and modify a dataframe or two. To that end I've written a toy function that simply sets a couple of variables (well, tries but fails...

Syntax for order()
Seeliger, Curt · Mar 25, 2014 · r-help

>> dat1[order(val), ] # Gives Error in order(val) : object 'val' not found >> >> dat1[order(dat1[,2]), ] # Works just fine. > > dat1[order(dat1$val), ] > > unless you used attach(dat1). Better to avoid 'attach' altogether and go with the first suggestion. That...

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