search for: kurser

Displaying 3 results from an estimated 3 matches for "kurser".

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2012 Mar 21
1
Wish To Join Xapian:-)
...This is Shao from National University of Singapore(NUS). I'm currently doing my exchange study in Royal Institute of Technology(KTH), Sweden. IR is really interesting to me. I've taken a Information Retrieval course during the exchange study here in KTH http://www.csc.kth.se/utbildning/kth/kurser/DD2476/ir12/labblydelser/assignment2. The Weighting Schemes and Learn to Rank projects in Xapian sound very relevant and interesting.I'd like to try out these weighting schemes to compare the speed and precision. May I know besides the traditional weight schemes, are we going to take the relev...
2010 Mar 22
1
maxNR - Error in p(a, b) : element 1 is empty; the part of the args list of '*' being evaluated was: (b, t)
...e want R to do is to read the data from the website and then peform maxNR on the function, F. Btw the version of R being used is "RGui for Windows" if it helps to know this. R-code below: library(maxLik) > require(maxLik) > > x <- > read.table('http://www.math.ku.dk/kurser/2008-09/blok4/stat2/doku/data/Eksempel_6_3.txt', > header = TRUE); > t <- log(x$Koncentration); > X <- x$Status; > > p <- function(a,b) exp(a+b*t)/(1+exp(a+b*t)); > S <- sum(X); > SP <- sum(t*X); > > F <- function(a,b) { + c(sum(p(a,b)) - S, +...
2009 Feb 17
2
How to connect R and WinBUGS/OpenBUGS/LinBUGS in Linux in Feb. 2009
...WinBUGS under Windows and would like a version of that working as well. It seems like I've read a lot on the subject and tried a lot, but haven't managed to get BUGS to work yet. The most success I've had is to install WinBUGS or OpenBUGS using this method: http://www.math.aau.dk/~slb/kurser/bayes-08/install.html What you also need to know is that you need to open Wine and add a drive. Although Z is recommended, I haven't been able to specify it, but have gotten a D drive to work, using: wine D:/opt/OpenBUGS/winbugs.exe Using this method, OpenBUGS opens. Now, to be able to ope...