Source a bunch of files under given folders and/or subfolders

I wrote a function sourceDir() that can source all the functions under given folders and/or subfolders. This function is very much like “Set Path” in Matlab.Please visit this page to obtain the update to dated version. https://github.com/feng-li/flutils/blob/master/sourceDir.R To use it more efficiently, I suggest you put the function at some place, e.g. ~/workspace/R_utils/sourceDir.R, and write… Continue reading Source a bunch of files under given folders and/or subfolders

Published
Categorized as Default, R

How to prevent dropping dimensions in a matrix/array?

When you create a matrix in the usual way like this, > a <- matrix(rnorm(10),2,5) > a        [,1]      [,2]       [,3]       [,4]       [,5] [1,]  1.3488918 0.6225795 -0.7444514  1.3130491  1.7877849 [2,] -0.2385392 0.5656759  0.9037435 -0.2217444 -0.2656875 the dimension dropped after picking up a single row or column in this way, > b <- a[,1] > b… Continue reading How to prevent dropping dimensions in a matrix/array?

Published
Categorized as Default, R

How to crop an eps file?

When you create a figure (in e.g. eps format) with R, the margins around the main context are always too wide. To save the space in the final documents, e.g. LaTeX generated pdf file. I have figured out two ways of reducing the margins.If you just want to shrink the white margin of an eps… Continue reading How to crop an eps file?

Published
Categorized as Default, R