I have a scrap news by R like the following: > View(mydf$title) <name of the news> <dash> <source name>
I\'ve been following the examples on similar posts, but to no avail. Here is an example of the problem I\'m seeing.
I guess, I have a two leveled question referring to diag in R and matlab. 1) I was wondering if there was a way already developed to access different diagonals of matrices in R similar to the way it
I\'m having the opposite issues of this post. It seems that roxygen is introducing \\n into my default parameter values which causes R CMD check to WARN
I\'m trying to use RODBC to write to an Excel2007 file and I keep getting errors.I\'ve reduced the issue to this very basic case, a 1-row data.frame with character, numeric, Date, and logical datatype
What\'s the best way to determine if a character is a valid file path?So CheckFilePath( \"my*file.csv\") would return FALSE (on windows * is invalid character), where开发者_如何学Goas CheckFilePath( \
How can I extract the extension of a file given a file path as a character?I know I can do this via regular expression regexpr(\"\\\\.([[:alnum:]]+)$\", x), but wondering if there\'s a built-in funct开
I am trying to specify two conditions as a part of a for loop. It seems like the second condition in the second for loop is not being considered. My code runs this way:
I\'m creating a larger number of plots in R and save them as PDF (using grDevices / pdf). Is there an easy way to add a (meta-data) table of contents to the PDF as it is created?
I have the following data frame in R: > str(x2) \'data.frame\':262064 obs. of15 variables: $ ykod : int99 99 99 99 99 99 99 99 99 99 ...
加载中,请稍侯......