search for: hepburn

...at does not work -- specifying the looping variable i in the way that I have does not work since R uses that to reference places in a vector (x[i] would be the ith element in the vector x) Is it possible to assign the value of the looping variable in a name within the loop structure? Cheers, Neil Hepburn =========================================== Neil Hepburn, Economics Instructor Social Sciences Department, The University of Alberta Augustana Campus 4901 - 46 Avenue Camrose, Alberta T4V 2R3 Phone (780) 697-1588 email nhepburn at augustana.ca

...s) grep("^"search.term,names) #Implying that the search term must be the first part of the string that is being searched #Ultimately, I need to to loop over several strings stored in search.term, for example, names=c("Emil Jannings","Charles Chaplin","Katherine Hepburn","Meryl Streep") search.term=c("Emil","Meryl") for(i in 1:length(names)){ print(grep(^search.term[i],names)) } So the questions I have are two. 1. How do I concatenate terms that I would normally quote (like "^") with variables that contain search...

Full_Name: Neil Hepburn Version: 2.81 and 2.90 OS: OS-X 10.5.6 Submission from: (NULL) (142.244.28.93) When I create graphs using Rcmdr and then close the quartz display, R blows up and tells me of a segmentation fault. It then gives me *** caught segfault *** address 0xc0000023, cause 'memory not mapped' Poss...

I have a data set that has student test scores along with several categorical variables. I would like to generate a set of summary stats (mean, variance, n) for the data grouped by school authority and by exam topic. I have tried the by() function but that seems to only be able to handle one level of grouping. In particular what I would like is something like the following Board Subject Mean

...regression with instrumental variables. I've found 'sem' for IV estimation and 'quantreg' for quantile regression but I would like to find something that can do a quantile regression with instrumental variables. Cheers, Neil ============================================= Neil Hepburn, Economics Instructor Department of Social Sciences, Augustana Faculty University of Alberta 4901-46 Avenue Camrose, Alberta T4V 2R3 Phone (780) 679-1588 email nhepburn at ualberta.ca No trees were harmed in creating this message. (However, millions of electrons were terribly disturbed.)

I need to upgrade PHP because the latest WordPress requires one at least at 5.2.4. What are the tradeoffs of using the php53 packages provided by CentOS versus IUS? I've seen that installing the RHEL-derived php53 requires removing php first and it creates package conflicts because it doesn't provide a virtual php-common package. That suggests I should install the IUS package. Is

...in the R-manuals but did not see anything about this - but I could have been looking in the wrong places. Any ideas on how to accomplish what I am trying to do or advice on where to find the info would be greatly appreciated. Cheers, Neil ================================================= Neil Hepburn, PhD Candidate Department of Economics University of Alberta email nhepburn at ualberta.ca URL http://www.ualberta.ca/~nhepburn

================================================================== "Nothing is impossible, the word itself says 'I'm possible'!" Audrey Hepburn ================================================================== Release Announcements --------------------- This is is the first stable release of Samba 4.0. This release contains the best of all of Samba's technology parts, both a file server (that you can reasonably expect to upgrade...

================================================================== "Nothing is impossible, the word itself says 'I'm possible'!" Audrey Hepburn ================================================================== Release Announcements --------------------- This is is the first stable release of Samba 4.0. This release contains the best of all of Samba's technology parts, both a file server (that you can reasonably expect to upgrade...