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I'm generally beating my head against the wall in attempting to determine the Mean and Standard deviation for the distribution of ranges in normal samples. Any hints or thoughts? Shawn Way

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I'm looking for design and hmisc version 2.0 for R 1.8 for windows. I've found design 2.0 in the downloads for R1.7 but not hmisc. I've also checked Dr. Harrell's site and...

I've been trying unsuccessfully to extract the term labels from a model frame using the attr function. The code is as follows a <- data.frame(col1=c(1,2,3,2,1,3),col2=c(2,4,7,6...

I'm trying to use R as a report generator under windows. I have everything working except the printing, which I need to do to a specific printer in the system, under batch conditions. Any thoughts? Shawn -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing...

I'm trying to use the rep command to replicate a POSIX value, the result is interesting, maybe a bug? a <- data$Time[1] > a [1] "2003-04-24 13:29:15 Central Daylight Time" > b <- rep(a,3) > b...

I have a set of character strings like below: > data3[1] [1] "CB01_0171_03-27-2002-(Sample 26609)-(126)" > I am trying to extract the text 03-27-2002 and convert this into a date for the same record...

Is there a reason that the bottom axis changes color when POSIX data is used in plot function? For example: > timedata <- c("2/3/2003","3/4/2003","5/4/2003") > timedata2 <- strptime(timedata,format="%m/%d/%Y") > numdata <- c...

I'm starting a time study on an area. To determine if an individual has entered the area, we are having timed photographs taken of the area. What I want to do is import the image files (either one at...

I'm trying to determine the lack of fit for regression on the following: data <- data.frame(ref=c(0,50,100,0,50,100), actual=c(.01,50.9,100.2,.02,49.9,100.1), level=gl(3...

At our facility we have multiple sample points that are sampled on any given day. What I would like to do is create a map of the facility with the sample points (and point labels) and when we have out...

I have an org-mode table with the following structure that I am pulling into an R data.frame, using the sfsmisc package and using xtable to print in org-mode | Symbol | Value | Units | |----------+-------+-------------------| | A | 1 | kg/hr | | \beta | 2...