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11 results for “from:Tom Arnold”

Putting value labels inside the bars of a bar plot
Tom Arnold · Nov 13, 2002 · r-help

I'd like to label a bar plot with the actual value of each bar, inside the bar. I see that there are ways to plot arbitrary text, so I could do it 'manually', but this seems common enough that...

read.table problem with column headers
Tom Arnold · Mar 27, 2002 · r-help

When I use read.table I can't get my column names to line up with my data. The data file has survey response data, and each line starts with a unique key field (which should be the row name...

Newbie struggling with "factors"
Tom Arnold · Mar 29, 2002 · r-help

I am processing some survey results, and my data are being read in as "factors". I don't know how to process these things in any way. To start with, several of the survey questions are mulit-choice check boxes...

Periods instead of spaces in dataframe names?
Tom Arnold · Feb 11, 2003 · r-help

Basic question: when I use names() to extract the name of a dataframe element, why does it have "." instead of " " between words? Context: I'm importing a CSV file of survey results for analysis. I read them like this: df...

Periods instead of spaces in dataframe names?
Tom Arnold · Feb 11, 2003 · r-help

Thanks to John, Sundar, and Peter Dalgaard for their quick and helpful (and correct!) answers to my questions. By explaining the check.names argument and the need to escape the "." to be "\\." in gsub(), I now have several ways to...

illustration of graphics terms in R?
Tom Arnold · Nov 24, 2002 · r-help

Hello, I'm using R to do survey analysis and plotting. I've gotten good help on this list to sort out specific plotting issues, but I think I could do a lot more on my own if I could...

Any good examples of survey processing?
Tom Arnold · Mar 27, 2002 · r-help

I'm trying to get a semi-automated approach to processing survey data that I'm getting from mod_survey, an Apache-based web survey tool. It looks like one can do this with enough experience in writing R routines...

read.table problem with column headers
Tom Arnold · Mar 27, 2002 · r-help

Yes, thank you. - Fixed now. This is what happens when you try to manually label data files rather than having the proper data export (with labels) in the first place. -Tom --- ripley at stats.ox.ac.uk wrote: > On Wed...

Newbie struggling with "factors"
Tom Arnold · Mar 29, 2002 · r-help

To all who have offered suggestions: THANKS! Wow, this list has generated a lot of good ideas for me in a very short time, and I appreciate it. For now, I've got some solutions to my problem. Greg's...

trouble positioning legends on barplot written to a file
Tom Arnold · Nov 12, 2002 · r-help

I'm trying to generate some plots for print publication and I'm having trouble getting them the way I want. I get a plot with a legend that overlaps the bars and looks bad. Also, I'm saving this...

trouble positioning legends on barplot written to a file
Tom Arnold · Nov 12, 2002 · r-help

Thanks to all who replied with suggestions about using par(xpd=TRUE), using dev.copy, and using a separate plot area for the legend. These are all good and with the first response I got enough information to get a...

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