search for: miney

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Conditional Selection of Columns for Tables
2007 Jan 27
1
Conditional Selection of Columns for Tables
...ue per sales representative per status in a table. I have come to a complete stop: Let's say, we have a data.frame called df with several columns and a number of rows: df <- data.frame( nr=101:110, letter=LETTERS[1:10], name=c(rep("eenie",3), rep("meenie",2), rep("miney",4), "moe"), revenue=round(runif(10, min=100, max=1000),0), status=round(runif(10,min=1, max=3),0) ) gives nr letter name revenue status 1 101 A eenie 764 2 2 102 B eenie 918 2 3 103 C eenie 936 3 4 104 D meenie 770...
select subsets in data frame
2007 Jan 10
2
select subsets in data frame
...ed a data.frame object and included the correct header information in line 1. For example purposes, look at this small object: <<*>>= (4) d <- data.frame(A=1:3, Date=c("01.01.07","02.01.07","03.01.07"), KB=c("Eenie", "Meenie", "Miney") ) d["KB"=="Eenie",] # gives @ output-start [1] A Date KB <0 rows> (or 0-length row.names) output-end @ If I follow Venables/ Ripley in Modern Applied Statistics with S, it should look like this: <<*>>= (5) library(MASS) attach(painters) painters[Co...
Y-limits of barplots
1999 Mar 25
1
Y-limits of barplots
Hello everybody, I frequently have to produce barplots from variables the natural variation of which is far away from zero. A typical range would be, say from -16 to -28. So, the following example should give an "honest" presentation: x<-c(-20,-22,-21,-28) barplot(x,beside=T,ylim=c(-18,-30)) But using anything else but "0" for the first element of ylim leads to strange
power in generalized linear models with categorical independent variables
2012 Jan 09
0
power in generalized linear models with categorical independent variables
...ch Center Columbia University 1130 St. Nicholas Ave New York, NY 10032 (212)851-4765 (voice) friedman at cancercenter.columbia.edu http://cancercenter.columbia.edu/~friedman/ I am a Bayesian. When I see a multiple-choice question on a test and I don't know the answer I say "eeney-meaney-miney-moe". Rose Friedman, Age 14
cld object did not plot
2011 Jun 27
0
cld object did not plot
...ch Center Columbia University 1130 St. Nicholas Ave New York, NY 10032 (212)851-4765 (voice) friedman at cancercenter.columbia.edu http://cancercenter.columbia.edu/~friedman/ I am a Bayesian. When I see a multiple-choice question on a test and I don't know the answer I say "eeney-meaney-miney-moe". Rose Friedman, Age 14
Analog of least significant difference error bars for proportions
2011 May 23
2
Analog of least significant difference error bars for proportions
...ch Center Columbia University 1130 St. Nicholas Ave New York, NY 10032 (212)851-4765 (voice) friedman at cancercenter.columbia.edu http://cancercenter.columbia.edu/~friedman/ I am a Bayesian. When I see a multiple-choice question on a test and I don't know the answer I say "eeney-meaney-miney-moe". Rose Friedman, Age 14
Accounting for overdispersion in a mixed-effect model with a proportion response variable and categorical explanatory variables.
2011 Apr 21
1
Accounting for overdispersion in a mixed-effect model with a proportion response variable and categorical explanatory variables.
...ch Center Columbia University 1130 St. Nicholas Ave New York, NY 10032 (212)851-4765 (voice) friedman at cancercenter.columbia.edu http://cancercenter.columbia.edu/~friedman/ I am a Bayesian. When I see a multiple-choice question on a test and I don't know the answer I say "eeney-meaney-miney-moe". Rose Friedman, Age 14