search for: 00117j

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2007 Apr 04
6
transition matrices
...st a first cut ... Any suggestions or hints (even just thoughts) would be much appreciated, Richard Rowe Dr Richard Rowe Zoology & Tropical Ecology School of Tropical Biology James Cook University Townsville 4811 AUSTRALIA ph +61 7 47 81 4851 fax +61 7 47 25 1570 JCU has CRICOS Provider Code 00117J
2007 Jan 01
4
if ... problem with compound instructions
...ns to what must be a common task? 2) any explanations for the ';' effect ? thanks Richard Rowe Dr Richard Rowe Zoology & Tropical Ecology School of Tropical Biology James Cook University Townsville 4811 AUSTRALIA ph +61 7 47 81 4851 fax +61 7 47 25 1570 JCU has CRICOS Provider Code 00117J
2007 Oct 03
2
Windows OS, R and unicode
...ogle results that users on Mac OS and Linux aren't facing this problem ... Richard -- Dr Richard Rowe Zoology & Tropical Ecology School of Marine & Tropical Biology James Cook University Townsville 4811 AUSTRALIA ph +61 7 47 81 4851 fax +61 7 47 25 1570 JCU has CRICOS Provider Code 00117J
2008 Aug 15
1
RODBC-sqlSave questions
Hello, I have 4 data frames, say A, B, C, D. Each A, B, C has different columns set, and D has all of what A, B, and C have. So, here is the example: A has c1, c2, and c3 B has c4 and c5 C has c1, c5, and c6 D has c1, c2, c3, c4, c5, and c6. I want to load these data frames into an Oracle SQL server. I am using RODBC with sqlSave, and managed to load D. But when I tried to load the other data
2008 Oct 14
1
abline and locator?
Hi, I'd like to plot vertical lines on my plot using the locator.But since locator returns two values I end up getting 2 vertical lines for every click.Is there some way only the x coordinate from locator can be returned? -- Rajesh.J ------------------------------------------------------------ "I skate to where the puck is going to be, not where it has been." - Wayne Gretzky
2008 May 14
3
Can R handle large dataset?
Hello, I am new to R, can anyone give me an idea of how R handle a large dataset (e.g. couple of Gbytes)? Thanks a lot! Best, Mingjun
2008 Mar 03
2
Problem with PCA
I have an exercise. With 3 kinds of yohourt a,b,c. There are 25 participatients estimate 3 norms: taste (va,vb,vc), structure (ca,cb,cc) and price (ga,gb,gc) and give the mark from 1 to 5. I don't know how to PCA this data. Please help me! I attached the data file follow: Va Vb Vc Ca Cb Cc Ga Gb Gc 4 2 4 5 5 5 4 4 2 2 2 4 3 2 5 4 5 1 2 2 1 2 3 3 3 1 4 1 1 2 2 3 3 4 3 2 3 4 4 4 3 1 2 1 2 1 1 1
2008 Mar 31
1
solver in R
Dear R-users, Is there any function in R that works similarly like solver in Excel. I have a set of daily rainfall data and I would like to estimate alpha and beta for the gamma function. Here is my daily rainfall data: [1] 0.2 1.2 0.0 0.0 0.0 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.8 1.6 0.0 1.8 1.8 0.0 2.6 [24] 33.0 19.0 0.0 0.0 0.6 0.0 0.0 6.8 0.2 0.0
2008 Oct 14
4
problem using R
Hi , I am having serious trouble doing this homework. I am using R for doing the homework. I am having the following specific problem: a) when I input the data using the command > Wbdc <-read.table("wdbc.txt")? I do not see the data. b) When I want to run histogram using command > hist(area) I get an error message, Error in hist(area) : object "area" not found. ? I am
2008 May 03
4
interactive rotatable 3d scatterplot
I would like to create a 3d scatterplot that is interactive in the sense that I can spin it on its axes to better visualize some PCA results I have. What are the options in R? I've looked at RGL and perhaps it will suffice but it wasn't apparent from the documentation I found. Any demo scripts available for a package that will work? Mark -- Mark W. Kimpel MD ** Neuroinformatics **