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I am about to write general functions to read the output of simulations models. These model generate output files with different sections which I want to analyze plot etc. Since this will be used many people at the department I wanted to make sure that will do this in the best way. For instance I want to read a snippets of data from a text that look like this.

I have data from several sensors that recorded data at hourly intervals during seven months. I want to separate daily variation from the trend, and also be able to zoom in on only one month of data. I have not been able what functions to use, I can not figure out from the help for 'ts' how to use hourly data. I guess this is routine-work for a lot of people so I hope someone can

I really like to use R for all my graphs, and as I work with stable isotopes I want to have a proper chemical notation in my plots I have looked at ?plotmath, but didn't find the answer and also searched the R website. ------------------------------------------------------------------------ -- plot(1:10,xlab=expression(^{14}*C)) # I want to have a superscript with nothing in front, but it

Dear R-gurus, I would like to zoom in a plot, e.g. I select a region on the x-axis and then I would like the ranges on the y-axis to change accordingly. Is it possible to do this with existing functions, or do I have to invent some data selection before plotting? See below a short example, where I select ylim with trial and error, which I want to avoid. Cheers, Henrik Andersson

I want to create a character vector based on the table (shortened for display) below: Where there are ones in the matrix I want the column name to appear and where there are zeros nothing, which would make the vector in this shortened case: combinations <- ("A B","A C","A E H","A F G","B C D","E G H",A C D E H","A C D F

Hi, I am just starting using R. Hence, sorry for asking probably rather easy questions. I used "read.table" to bring an .txt Table to R. Unfortunately the columns do not have the same length. I tried "fill=TRUE", to fill the blank space with "na". In a certain kind of way it worked, but befor filling the spaces it moved data from later columns to the first: 1

I have been using R for a few months to plot my data, and fit statistical models and so on. It is stated that R is not only a package for statistcs and graphics but also a programming language. Currently I am working with Fortran 90 to do numerical simulations (1D reactive -transport), and subsequently visualize it in some external software (spreadsheet). As I now started using R I will plot my

I apologize in advance for posting a question not related to R. I need references to papers that use multiple linear regression in an industrial application and also in a biological experiment. This is aimed to biologists/chemists (non-statisticans) so if anyone has written a brilliant paper where the use of multiple regression is important and also understandable to people with little

Hello! I have a dataset like this: X1 X2 X3 X4 X5 X6 X7 X8 1 2 2 1 2 3 2 6 2 3 2 5 7 9 1 3 1 9 12 6 1 1 3 6 The columns X1-X6 contains ordinary numeric values. X7 contains the number of the first column that the rowMeans should be calculated from and X8 contains the last column

Just a small suggestion since Windows have a file system not designed for command line use... Would it be possible to add the possibility of automatically adding/modifying the path to the R executables in the windows installer program? --------------------------------------------- Henrik Andersson Netherlands Institute of Ecology - Centre for Estuarine and Marine Ecology P.O. Box 140 4400 AC

Hello, When I try to save my script file before closing the R console session I get this error. Error: invalid input 'C:\Documents and Settings\xxxx\xxxx\datafile' in 'utf8towcs' Does anyone know what can cause this error? I use the RGui (R verison 2.14.0) in Windows and the problem appears when I try to re-save the script file. Using Save as and rename it works. Kind

Hello fellow R people, I can not figure out a pretty way to use strplit with vectors Imagine that I got the following data from someone with ID's representing several factors ID data A1-B1-t1 0 A1-B1-t2 1 A1-B2-t1 5 A1-B2-t2 10 A1-B10-t1 0 A1-B10-t2 1 A1-B20-t1 5 A1-B20-t2 10 ... I would like to turn this dataframe to station substation time data A1 B1 t1 0 A1 B1 t2 1 A1 B2 t1 5

Hello all, I am planning to redeploy my workstation under KUBUNTU. Does any body has any r experience installing/using r on this platform? Best regards. -- Constant Depi??reux Managing Director Applied QUality Technologies Europe sprl Rue des D??port??s 123, B-4800 Verviers (Tel) +32 87 292175 - (Fax) +32 87 292171 - (Mobile) +32 475 555 818 (Web) http://www.aqte.be - (Courriel)

Hello all, I am planning to redeploy my workstation under KUBUNTU. Does any body has any r experience installing/using r on this platform? Best regards. -- Constant Depi??reux Managing Director Applied QUality Technologies Europe sprl Rue des D??port??s 123, B-4800 Verviers (Tel) +32 87 292175 - (Fax) +32 87 292171 - (Mobile) +32 475 555 818 (Web) http://www.aqte.be - (Courriel)

Apologies first, because I need to ramp up on Ruby and coding Ruby in Rails, however it''s my 3rd day with this beast :) so I''m asking : When I added protected methods to the model before it was like: protected method.................... end Would this be a valid way to write a protected method as well ?: attr_protected :column1, :column2 Perhaps this particular call

Is it possible to use rsync to mirror a group of files, deleteing most files from the mirror when they disappear from the source, but not deleting a certain set of files that match a pattern if they disappear from the source? Thanks. Greg Brauer greg@wildbrain.com

Hello: I need to take a species-sample matrix and transpose it to the format used by PC-ORD for analysis. Unfortunately, the number of species is very large (>5000), and so this operation cannot be performed simply in an application like Excel, which has a 255 column limit. So, I wrote relatively simple code in R that I hoped would do this (appended below). But there are glitches. The

Hello, how can use change the plot function to change the range of axises. I want my graph from a certain range [a, b], instead of from the min to max of of datas? if i want draw a line instead of dots, should i use both plot and lines function. for example: plot(x, y); lines(x, y); things seem not working if i only use lines(x, y). Thank you so much. Cuichang Zhao Jan 25, 2005

Hi, there: When plot ann predicted results I need to indicate numbers of inputs for each column. V1 V2 V3 V4 1 86.2700 49.9380 30.7630 0.1327 2 89.5127 55.9707 33.7683 0.1186 3 91.1833 58.4670 34.5610 0.1134 matplot(t, pch = 1:4, type = "o", col = rainbow(ncol(t)),xlab = "No. of inputs ", ylab = "Mean of 6 Datasets",

Readers, I have entered a file into r: ,column1,column2 row1,0.1,0.2 row2,0.3,0.4 using the command: dataframe<-read.table("/path/to/file.csv",header=T,row.names=1) When I try the command: dataframe[,2] I receive the response: NULL I was expecting: row1 0.2 row2 0.4 What is my error with the syntax please? Yours, r251 mandriva2009