search for: jonathangreenberg

Displaying 10 results from an estimated 10 matches for "jonathangreenberg".

Quickest way to make a large "empty" file on disk?
2012 May 02
6
Quickest way to make a large "empty" file on disk?
...Assistant Professor Department of Geography and Geographic Information Science University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307@hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html [[alternative HTML version deleted]]
How do I query "..." in a function call?
2011 Nov 21
3
How do I query "..." in a function call?
...-j -- Jonathan A. Greenberg, PhD Assistant Professor Department of Geography University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307@hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html [[alternative HTML version deleted]]
Best way to search r- functions and mailing list?
2012 Apr 05
4
Best way to search r- functions and mailing list?
...-- Jonathan A. Greenberg, PhD Assistant Professor Department of Geography University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html
Listing the contents of an FTP directory via R?
2012 Apr 09
1
Listing the contents of an FTP directory via R?
...istant Professor Department of Geography and Geographic Information Science University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html
Creating a list from all combinations of two lists
2011 Nov 21
1
Creating a list from all combinations of two lists
...-j -- Jonathan A. Greenberg, PhD Assistant Professor Department of Geography University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307@hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html [[alternative HTML version deleted]]
Parallel writes in R
2012 Apr 02
1
Parallel writes in R
...-- Jonathan A. Greenberg, PhD Assistant Professor Department of Geography University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html
Ignoring version numbers when installing packages...
2012 Mar 30
1
Ignoring version numbers when installing packages...
...-- Jonathan A. Greenberg, PhD Assistant Professor Department of Geography University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307 at hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html
Setting hostname in the .Renvironment
2011 Nov 21
1
Setting hostname in the .Renvironment
...j -- Jonathan A. Greenberg, PhD Assistant Professor Department of Geography University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307@hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html [[alternative HTML version deleted]]
Solve an ordinary or generalized eigenvalue problem in R?
2012 Apr 19
3
Solve an ordinary or generalized eigenvalue problem in R?
...Assistant Professor Department of Geography and Geographic Information Science University of Illinois at Urbana-Champaign 607 South Mathews Avenue, MC 150 Urbana, IL 61801 Phone: 415-763-5476 AIM: jgrn307, MSN: jgrn307@hotmail.com, Gchat: jgrn307, Skype: jgrn3007 http://www.geog.illinois.edu/people/JonathanGreenberg.html [[alternative HTML version deleted]]
avoiding for loops
2012 Mar 25
2
avoiding for loops
I have data that looks like this: > df1 group id 1 red A 2 red B 3 red C 4 blue D 5 blue E 6 blue F I want a list of the groups containing vectors with the ids. I am avoiding subset(), as it is only recommended for interactive use. Here's what I have so far: df1 <- data.frame(group=c("red", "red", "red", "blue",