[R] igraph: Turn multiple edges into weights

Dear all, I have some network data - about 300 vertices and several thousand edges. I am looking for a way to turn multiple edges into weights of the edges. I looked around and - surprisingly? - haven't found anything. Is there an easy way to do this? Best, Jonas [[alternative HTML

[R] Figuring out encodings of PDFs in R

Dear list, I am currently scraping some text data from several PDFs using the readPDF() function in the tm package. This all works very well and in most cases the encoding seems to be latin1 - in some, however, it is not. Is there a good way in R to check character encodings? I found the

[R] Latex outputs of multilevel models

Hi, I have a number of multilevel models and I would like some Latex outputs of them. I usually use the apsrtable package, but it does not accept lme outputs. Neither does the mtable function in the memisc package. Is there any good alternative that I am missing? Thanks, Jonas