Displaying 2 results from an estimated 2 matches for "crossup".
2009 Sep 01
4
Function to find angle between coordinates?
Dear all,
I was doing some self study and was wondering if a function already
exists which allows one to determine the angle between points. e.g.
given the following (x,y) coordinates
input: (0,1); (0,0); (1,0)
would result in:
output: 90 degrees
Best regards
C.C.
2009 Jan 26
2
RCurl unable to download a particular web page -- what is so special about this web page?
Dear R-help,
There seems to be a web page I am unable to download using RCurl. I
don't understand why it won't download:
> library(RCurl)
> my.url <- "http://www.nytimes.com/2009/01/07/technology/business-computing/07program.html?_r=2"
> getURL(my.url)
[1] ""
Other web pages are ok to download but this is the first time I have
been unable to download a