search for: 2million

Displaying 3 results from an estimated 3 matches for "2million".

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2012 Oct 10
3
practical to loop over 2million rows?
New to R and having issues with loops. I am aware that I should use vectorization whenever possible and use the apply functions, however, sometimes a loop seems necessary. I have a data set of 2 million rows and have tried run a couple of loops of varying complexity to test efficiency. If I do a very simple loop such as add every item in a column I get an answer quickly. If I use a nested ifelse
2004 May 06
1
Problem with filled.contour/image
Quick question - I am having problems creating an orographic image (similar to volcano example). I have created a map matrix with 3 columns and over 2million rows. I have created the matrix as follows: map<-read.table("map.dat",header=TRUE) long.grid<-sort(unique(map$long) lat.grid<-sort(unique(map$lat) map.matrix<-matrix(map$height,nrow=length(lat.grid),byrow=TRUE) The problem is when I type the filled.contour command I get the...
2016 Nov 29
2
auth client limit versus service count of mail processes
...ses (connections) #process_limit = 1024 process_limit = 524288 } service pop3 { # Max. number of POP3 processes (connections) process_limit = 2048 # Reduce spawns from hell service_count = 100 } --- The above works fine, no warnings. Since 2 of our mailbox servers get a high number (2million/day) of IMAP logins and resulting mail process spawns, I pondered doing the service count bit for IMAP as well. But adding a "service_count = 100" line (any value larger than 1 really) to the imap section we get the dreaded: --- Nov 28 17:05:40 mbx09 dovecot: config: Warning: service au...