Search Archives
Search tips
from:Name
Search by author name, e.g. from:Duncan Murdoch
"exact phrase"
Match an exact phrase
word1 word2
Match messages containing both words
Date range
Use the date pickers to filter results to a time period
Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.
Dear List, the readGPS function from the maptools package is able to read waypoints from an 'attached GPS'. But what about reading gpx-fils, is there a function available to import such data? the OGR vector formats are not supporting...
Dear Sirs, I'm working to understand the practicability to found the quantitative framework of a investment advisory company on R. For this reason I'm searching for a paper presented at "user R! 2004": Bernhard Pfaff, 2004, "useR! - at...
Dear list, I've got two autocorrelated datasets and want to perform a two-sample t-test comparing the means. Because of the autocorrelation the t-test assumtions are violated. In Cliff & Ord (1981, Spatial Processes, Ch. 7.2) I...
Dear list, I would like to extract the model details (coefficients, p-values etc.) for the regression lines within a coplot. How are these results accessible? A code example is as follows: dat <- data.frame(a=rnorm(111), b=rnorm...
Hi Albrecht, thanks for your return. I'm using the SUSE Linux Enterprise Server 11 (x86_64) PATCHLEVEL = 4 and not the openSUSE. Do you know if exist a compatibility list of R and Linux version? In the site https...
Dear R-geo users, I was wondering whether you you have any suggestions on where to find geospatialdata on lights at night. I have managed to find some the excellent time series data available on the NOAA website: http://ngdc...
Hi community, I have a data frame of points with coordinates (WKT) in one column. It is d <- as.data.frame(NULL) d$xy <- c("POINT (-59.900833 -34.869722)", "POINT (-60.009032477477234 -34.71350213192503)", "POINT (-60.13337136105485 -34.74472597084807...
> a) You posted twice. That's close to spamming. Sorry, for some stupid reason I thought I had send the email to the wrong address. > > b) Your example is incomplete and non-reproducible. Not a way to earn brownie > points...
Buenos dÃas, Os escribo porque ando trabajando con una base de datos "count data" en R y estoy aplicando varios modelos: Quasi Poisson, Negative Binomial, Zero Inflated Models, Tobit y Tobit con Heckman. Me gustarÃa profundizar en la...
Sorry, I forgot to correct the message subject, so I am resending my doubt it below: Hi all! I wrote a very basic program in R, which has some loops ('for' and 'while'). Is there a way to print the...
Dear list members, a few days ago I've installed the GRASS6.1 (cygwin) and R (2.4.0) interface package. everything works (nearly) perfect... but everytime i make a typing error or use a wrong command in R, it...
Hi All, I found a possible unexpected behavior when performing match/%in% on POSIXlt objects, e.g. : d <- as.POSIXlt('2018-01-01') # match(<anything>,<POSIXlt>) --> segfault match(0,d) # consequently also this fails : 0 %in% d REPORTED ERROR ON...
Dear all, does anyone know a command to shut 'lme' (nlme) up? :) I have a loop for(i in 1:M){ lme(..) } and for each "i" i get the warning message >Fewer observations than random effects in all level 1...
Dear list, perhpas this question is more suitable for R-dev but since I am not really a developer I post it here first. Apparently the following lines do not create any problem in R: library(combinat) r <- 20; b...
Dear list, I am facing the following problem with the legend of a plot that display the mean and variance of a measurement y as a function of x, the mean being represented by a dot and the variance by...
Hi, I'm new about R. My problem is: I have 2 lists of proteins and I would compare them. I import the 2 lists like 2 different matrixs and I would that the first entry in the matrix 1...
Dear R user, I have a little truble using the command copy.file() because R copy the files but trasform all of them from their kb weight to 0 kb! I tried with different kind of file extension as .doc...
Hello Sage R people, I am able to retrieve data and rename the stock code one by one through quantmod package as the following: symbols<-c("AAPL","MSFT") stockcodes<-c("A","B") setSymbolLookup(A=list(name="AAPL",src="yahoo")) getSymbols...
Dear, Good night. I am using the glmer function of the lme4 package of R. My answer is Bernoulli and my data are longitudinal. In the bild Package, I have already found article using correlation structures. Is there any way...
Excerpts from Sagar Dhiman's message of 2017-07-23 18:19:01 +0530: > I have tried to run R from within QGIS, But it show error "Missing > dependency.This algorithm cannot be run :-( > > This algorithm requires R to be...
Can't find what you're looking for? Try searching with Google .