LAE

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Originally posted by: lae_errors

This post has been created for discussion of error code ls.brain.node.r.jpegLibraryMissing.

Please reply to this thread with any description of error conditions, diagnostic information, and recommended resolutions.

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Originally posted by: ryeh

My R session:

> sessionInfo()
R version 3.1.0 (2014-04-10)
Platform: i386-w64-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_United States.1252 LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252 LC_NUMERIC=C
[5] LC_TIME=English_United States.1252
attached base packages:
[1] splines stats graphics grDevices utils datasets methods base
other attached packages:
[1] survival_2.37-7 Rserve_1.7-3

The error is: "Error loading JPEG library in R. Ensure that the library named "jpeg" is installed in your R environment."

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Originally posted by: mmarinelli

Have you installed the jpeg package as per the following?

install.packages("jpeg")

If so, can you provide the version of the jpeg package which is not working? The current R library release has been tested against jpeg release 0.1-8, so if you have a newer version that may be the problem. I don't see that package listed in your session info, however, so it may not be installed.

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Originally posted by: ryeh

Awesome! That worked. So I had to install both the "jpeg" and "png" libraries. So to be safe, I reverted back to RServe 0.6-8, which required me to revert back to R 2.13. After I got that working, I re-installed R 3.1 and RServe 1.7-3, which also works.