similar to: overhead of function calls

hallo, i have a problem reading in the above mentioned kind of a file. does anybody know an easy way how to read it in? i can save it as a text file that looks like: Datum des Fixings Restlaufzeit 1 Jahr 2 Jahre 3 Jahre 4 Jahre 5 Jahre 6 Jahre 7 Jahre 8 Jahre 9 Jahre 10 Jahre 12 Jahre 15 Jahre 13.01.06 2.819 2.983 3.073 3.137 3.194 3.247 3.302 3.355 3.409 3.459 3.548 3.649 12.01.06 2.847

Hi, I've lost my mind on it... I have to scatterplot two vectors, grouped by a third variable, with two different dimensions according to whether each cell line in the plot is sensitive or resistant to a given drug, and with a different color for each of 9 tissues of origin. Here's what I've done:

I am trying to model the observed leaching of wood preservative chemicals from treated wood during an outdoor experiment where leaching is caused by rainfall events. For each rainfall event, the amount of rainfall was recorded as well as the amount of preservative chemical leached. A number of climatic variables were measured, but the most important is the amount of rainfall. I have tried a

Hi all, I've read the R for windows FAQ and am a little confused re: memory.limit and memory.size to start using R 2.6.2 on WinXP, 2GB RAM, I have the command line "sdi --max-mem-size=2047M" Once the Rgui is open, memory.limit() returns 2047, memory.size() returns 11.315, and memory.size(max=T) returns 19.615 Shouldn't memory.size(max=T) return 2047? Upon running several

Hi all, I have a strange problem and rigth now I can't figure out a solution. Trying to calculate an ANOVA with one between subject factor (group) and one within (hemisphere). My dependent variable is source localization (data). My N = 25. My data.frame looks like this: > ML.dist.stack subj group hemisphere data 1 1 tin left 0.7460840 2 2 tin left

I have a data set for different time intervals. The data has three comment lines before data for each time interval. For each time interval there are 500 data points. I want to change the dataset such that I have the following format: t1 t2 t3 ................ 0.00208 0.00417 0.00625 ................. a1 a2 a3 ...................

I am using a nested model in R and the lm output shows 47 not defined because of singularities and I have no idea why. Any help on why this is happening or how to fix this problem would be very much appreciated. Below is the output I received from R. Thanks and happy holidays! Call: lm(formula = Dist ~ Treatment/SiteL/Territory) Residuals: Min 1Q Median 3Q Max -6.646 -1.443

In Baron and Li's "Notes on the use of R for psychology experiments and questionnaires" http://cran.r-project.org/doc/contrib/rpsych.htm they describe a balanced data set for a drug experiment: "... a test of drug treatment effect by one between-subject factor: group (two groups of 8 subjects each) and two within-subject factors: drug (2 levels) and dose (3 levels). "

I want to take the first row of each unique ID value from a data frame. For instance > ddTable <- data.frame(Id=c(1,1,2,2),name=c("Paul","Joe","Bob","Larry")) I want a dataset that is Id Name 1 Paul 2 Bob > unique(ddTable) Will give me all 4 rows, and > unique(ddTable$Id) Will give me c(1,2), but not accompanied by the name column.