cran Questions
1
Solved
I have created a package named test and I have a function named lad inside it. When I build it and after check it with cran=TRUE, I receive the following error. Any idea what's going wrong?
* chec...
4
Solved
I often run into situations where I need to check if some condition holds for any or all elements of a very large vector or list. For example to check if a list contains any/only NULL elements I wo...
Manheim asked 17/4, 2014 at 20:19
0
We submitted an R package on CRAN. Now we want to update our package under a new different name, because more new functions are introduced in this update, and the old name of it doesn't well repres...
1
Solved
I tried to google "r package parallel" but I have not found it on CRAN. I also tried the following links, but they do not work:
http://cran.r-project.org/web/packages/parallel/index.html
http://c...
2
I know there are packages in R to store sparse matrices efficiently. Is there also a way to store a low-rank matrix efficiently? For example:
A <- matrix(rnorm(1e6), nrow=1e5, ncol=1e1)
B <-...
3
Solved
I have a dataset with minute by minute GPS coordinates recorded by a persons cellphone. I.e. the dataset has 1440 rows with LON/LAT values. Based on the data I would like a point estimate (lon/lat ...
Dodds asked 6/6, 2012 at 4:12
1
Solved
I have some data that contains non-ASCII characters, that I want to include as an rda file in an R package. When I run an R CMD check on the package, I get a warning:
Warning: found non-ASCII stri...
Stores asked 16/9, 2013 at 21:46
1
Solved
I am building a package for R which I want to be able to be cross-platform. I am developing under Linux, and the function mclapply will be used from the parallel package. This package is not suppor...
Anaxagoras asked 3/9, 2013 at 9:39
1
Solved
1
Solved
I am working on an R package that builds on a postgreSQL database. Hence there are some.sql files that contain a recommended table structure for the corresponding database.
I wonder where to put ...
2
Solved
What is the most robust method to move an entire directory from say /tmp/RtmpK4k1Ju/oldname to /home/jeroen/newname? The easiest way is file.rename however this doesn't always work, for example whe...
2
Solved
I would like to install a package with a security profile that does not have access to /tmp , but has its own temporary directory, for example /tmp/jeroen. However even though I try to pass the TMP...
1
Solved
According to the manual, the stdout argument of the system2 function can redirect output to a file. This seems to work on unix, however I can't get it to work on windows. The toy example below, no ...
1
Solved
What is a cross-platform way of getting the username of the current user in R? I am currently using
system('whoami', intern=TRUE)
However this assumes that the user has shell access, and that t...
1
The getOption("max.print") can be used to limit the number of values that can be printed from a single function call. For example:
options(max.print=20)
print(cars)
prints only the first 10 rows...
1
4
Solved
I have a set of lng/lat coordinates. What would be an efficient method of calculating the greatest distance between any two points in the set (the "maximum diameter" if you will)?
A naive way is ...
Tamarau asked 31/5, 2013 at 20:16
1
Solved
What is a cross-platform method to find the OS temporary directory from within R? I currently use:
dirname(tempdir())
Which did the job both on Ubuntu and Windows from within an interactive R se...
Cantaloupe asked 10/5, 2013 at 3:25
1
Solved
Is there a density function for the two-piece Normal distribution:
on CRAN? Thought I would check before I code one. I have checked the distribution task view. It is not listed there. I have loo...
Megdal asked 17/4, 2013 at 15:50
1
Solved
1
I am having trouble with getting rid of a series of "no visible binding" NOTES when I run the R package check for CRAN (on windows 7, Rstudio, R 2.15.3 and Rtools30).
I have already tried the fol...
Evildoer asked 16/3, 2013 at 20:0
1
I have noticed that once submitted to incoming (ftp://cran.r-project.org/incoming) the package name receives the following suffixes .save, .pending and .noemail. Then, the package disappears ...
3
Solved
I'm new to R and have started writing a medium-size project. Even though it will be distributed as part of an application, I've decided to make a package out of it to make the organisation neater.
...
1
Solved
I tend to be rather explicit than implicit about the code I write. So after having managed to create my own packages, the next thing that immediately comes to my mind is how best to ensure robustne...
Ariel asked 7/11, 2012 at 9:49
1
Solved
Kind of embarrassing / a no-go, but since it hasn't been that long that I've moved from "pure user" to "beginner-developer", I've never actually read the CHANGELOG when a new R version came out - w...
Ibsen asked 31/10, 2012 at 11:3
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