search for: deb37

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2005 Feb 03
1
Efficient selection and alteration of dataframe records
...df$s.S, sumdf$s.crop) -- Daniel E. Bunker Associate Coordinator - BioMERGE Post-Doctoral Research Scientist Columbia University Department of Ecology, Evolution and Environmental Biology 1020 Schermerhorn Extension 1200 Amsterdam Avenue New York, NY 10027-5557 212-854-9881 212-854-8188 fax deb37 at columbia.edu
2008 Mar 27
1
list as object in dataframe
Hi All, I need to place lists or vectors within dataframes as single elements. However when I try this: df=data.frame(y=1, x=I(list(c("a","b"), c("f","c"), c("a")))) df df[1,'x']=I(c("a","d")) I get this error, even though I am using I(): Error in `[<-.data.frame`(`*tmp*`, 1, "x", value =
2005 Apr 07
2
vectorized approach to cumulative sampling
...um=sum(new); newsum target -- Daniel E. Bunker Associate Coordinator - BioMERGE Post-Doctoral Research Scientist Columbia University Department of Ecology, Evolution and Environmental Biology 1020 Schermerhorn Extension 1200 Amsterdam Avenue New York, NY 10027-5557 212-854-9881 212-854-8188 fax deb37ATcolumbiaDOTedu
2006 Nov 06
1
line width (all elements) in Trellis
...(bushels/acre)", scales = list(x = list(abbreviate = TRUE, minlength = 5))) -- Daniel E. Bunker BioMERGE Associate Director Post-Doctoral Research Scientist Columbia University Department of Ecology, Evolution and Environmental Biology 1200 Amsterdam Avenue New York, NY 10027-5557 deb37ATcolumbiaDOTedu 212-851-1888 phone 212-854-8188 fax
2006 Oct 12
2
adding error bars to lattice plots
Dear R users, About a year ago Deepayan offered a suggestion to incorporate error bars into a dotplot using the singer data as an example <<http://finzi.psych.upenn.edu/R/Rhelp02a/archive/63875.html>>. When I try to utilize this code with a grouping variable, I get an error stating that the subscripts argument is missing. I have tried to insert them in various ways, but cannot
2006 Jun 06
0
xYplot, lmline and abline
...(x, y) { panel.xyplot(x,y) panel.lmline(x,y, span=1) } ) -- Daniel E. Bunker BioMERGE Associate Director Post-Doctoral Research Scientist Columbia University Department of Ecology, Evolution and Environmental Biology 1200 Amsterdam Avenue New York, NY 10027-5557 deb37ATcolumbiaDOTedu 212-851-1888 phone 212-854-8188 fax
2007 Jul 13
0
convhulln {geometry} output from .call
...-15 of all facets. Will make 100 distance computations. > -- Daniel E. Bunker TraitNet Associate Director BioMERGE Associate Director Post-Doctoral Research Scientist Columbia University Department of Ecology, Evolution and Environmental Biology 1200 Amsterdam Avenue New York, NY 10027-5557 deb37ATcolumbiaDOTedu 917-843-5076 phone 212-854-8188 fax [[alternative HTML version deleted]]
2006 Jul 20
0
Convergence warnings from zeroinfl (package pscl)
...6546 2.576e-04 log(theta) -1.405175 0.062412 -22.5145 2.993e-112 Theta = 0.2453 -- Daniel E. Bunker BioMERGE Associate Director Post-Doctoral Research Scientist Columbia University Department of Ecology, Evolution and Environmental Biology 1200 Amsterdam Avenue New York, NY 10027-5557 deb37ATcolumbiaDOTedu 212-851-1888 phone 212-854-8188 fax
2005 Jun 30
0
vecortizing uniroot() for numerical solutions
...ated. # Thanks! -Dan -- Daniel E. Bunker Associate Coordinator - BioMERGE Post-Doctoral Research Scientist Columbia University Department of Ecology, Evolution and Environmental Biology 1020 Schermerhorn Extension 1200 Amsterdam Avenue New York, NY 10027-5557 212-854-9881 212-854-8188 fax deb37ATcolumbiaDOTedu
2007 Oct 17
1
passing arguments to functions within functions
Dear R Users, I am trying to write a wrapper around summarize and xYplot from Hmisc and am having trouble understanding how to pass arguments from the function I am writing to the nested functions. There must be a way, but I have not been able to figure it out. An example is below. Any advice would be greatly appreciated. Thanks, Dan # some example data df=expand.grid(rep=1:4,