search for: york

...w which list to post to, because it is a studentship so not really a job, so it did not fit the r-sig-jobs list .... and it is about devloping an extension package interfaced with R .... I hope I did not upset anyone. If so apologies. The Centre For Complex systems Analysis at the University of York (YCCSA) in UK in collaboration with Stockholm Environment Institute is looking for a highly motivated student in Computer Science, Applied Mathematics, Applied Statistics or related fields for a 10 weeks paid student internship over the summer 2011, starting in july, to collaborate in developm...

I have 5 (A,B,C,D,E) columns in my dataframe. I want to replace all "x" with "y" and all "a" with "b" within these 5 columns. Can I do it in one step? Thanks [[alternative HTML version deleted]]

...cludes all the k5 .... kn). Can anyone help me with suggestions? Thanks in advance. Alternatively, what do you suggest I should do? Shall I abandon nls in favour of optim? Regards -- Corrado Topi PhD Researcher Global Climate Change and Biodiversity Area 18,Department of Biology University of York, York, YO10 5YW, UK Phone: + 44 (0) 1904 328645, E-mail: ct529 at york.ac.uk

...the ID in the first row does not equal the ID in the second row, copy both of these rows in full to a new file. Only caveat is that I want a regular expression not to take the full names, but just the first string up to the first whitespace in the inname$name column (ie if row1 has a name of: New York Mets and row2 has a name of New York Yankees, I would want both of these rows to be copied in full since "New" is the same in both...) Here is some example data: ID NAME YEAR SOURCE NOTES 1 New York Mets 1900 ESPN 2 New York Yankees...

...something very simple: fit1 <- fitCopula(x1 = list(u11,u12,u13,u14,u15,u16,u17,u18), tCopula, optim.control = list(NULL), method = "BFGS") Anybody also using it, successfully or unsuccessfully? I'd appreciate a tip or two. Casey Quinn Centre for Health Economics University of York York YO10 5DD England Phone: +44 01904 32 1411 Fax: +44 01904 32 1402 Email: cq1 at york.ac.uk Web: http://www.york.ac.uk/inst/che/staff/quinn.htm

...d use something like "sum", to add up all the elements of the list and obtain another function. I've tried: > rrr <- function(x) {sum(ttt)} but it does not work. Any help with this is greatly appreciated. Cheers, james -- Dr James Foadi Department of Physics University of York York YO10 5DD email: jf117 at york.ac.uk web page: http://www-users.york.ac.uk/~jf117 Tel: 0044 1904 434622 Mobile: 0044 7740 678548

Dear R helpers   I have a city.csv file as given below.   'city.csv' city_name1        city_name2 New York City    Buffallo         So I define   city_name = read.csv('city.csv') city1 = city_name$city_name1 city2 = city_name$city_name2   My problem is how do I repeat the names one after other say 10 times i.e. my output should be like   New York City Buffallo New York City Buffallo New York...

Hi helpeRs, I have inherited a set of data files that use the file system as a sort of poor man's database, i.e., the data files are nested in directories that indicate which city they come from. For example: dir.create("deleteme") for(i in paste("deleteme", c("New York", "Los Angeles"), sep="/")) { dir.create(i) for(j in paste("data", 1:2, ".csv", sep="")) { write.csv(data.frame(x=1:10), file=paste(i, j, sep="/")) } } list.files("deleteme", recursive=TRUE) What I want...

...the function 'names' and giving me the result of this, and have struggled and failed to use the 'eval' expression with alternative environments (which i don't understand ...) can anyone assist? cheers - bob -- Dr Bob Phillips MRC Research Training Fellow CRD University of York York YO10 5DD t: +44 (0)1904 321099 f: +44 (0)1904 321041 e: bob.phillips at york.ac.uk www.york.ac.uk/inst/crd www.crd.york.ac.uk/prospero CRD is part of the National Institute for Health Research and is a department of the University of York. EMAIL DISCLAIMER: http://www.york.ac.uk/docs/disc...

Hi All, I have a character vector with naems of cities in the us. I need to extract the number that appear after the word "New York", for example, x<-c("P Los Angeles44AZ", "P New York722AZ", "K New York20") I want the results to be 722, 20 cab I use the grep function, if so how? I appreciate your help, thanks, -- View this message in context: http://n4.nabble.com/using-grep-tp15711...

...al of v is x. In this case, v would be in the sub interval [4,6] that is in the subinterval starting from element j=7 to the element j+1=8. Can we do that with an R command? Regards -- Corrado Topi Global Climate Change & Biodiversity Indicators Area 18,Department of Biology University of York, York, YO10 5YW, UK Phone: + 44 (0) 1904 328645, E-mail: ct529 at york.ac.uk

...and Jerome Friedman and including MORE THAN 24 PRESENTATIONS WITH AN INDUSTRY FOCUS AND PRACTICAL EMPHASIS First Call For Submissions ------------------------------------------------------------------------------ US Venue: New York, March 29-30, 2005 EU Venue: Barcelona, April 4-6, 2005 Conference home page: http://www.salforddatamining.com Sample Conference Schedule(last year): http://www.salforddatamining.com/program.htm If you have an interest in attending or presenting at this conference...

...of changes in R, changes between NT and 2000, or both. Do any of you have a solution to this problem? IS PFE is "too old" and not worth keeping? It does have a lot of nice features and I would like to keep using it-- at least for a while. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Anne E. York National Marine Mammal Laboratory Seattle WA 98115-0070 USA e-mail: anne.york at noaa.gov Voice: +1 206-526-4039 Fax: +1 206-526-6615 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwie...

EASTMEDIA GROUP TO OFFER RUBY ON RAILS TRAINING COURSES IN NEW YORK CITY AND LONDON EastMedia Group, New York City?s premier Rails shop, is now offering two separate training courses on Ruby and Ruby and Rails. On April 29, EastMedia will offer a one-day training course in New York, to be taught by Francis Hwang and Matt Pelletier. On May 5 through 7, Sm...

...struct -> smooth.construct.tp.smooth.spec -> array In addition: Warning message: In array(0, n * k) : NAs introduced by coercion Execution halted Thanks in advance, Best regards -- Corrado Topi Global Climate Change & Biodiversity Indicators Area 18,Department of Biology University of York, York, YO10 5YW, UK Phone: + 44 (0) 1904 328645, E-mail: ct529 at york.ac.uk

...trying to create a custom function that "mean-centers" data and can be applied across many columns. Here is an example dataset, which is similar to my dataset: *Location,TimePeriod,Units,AveragePrice* Los Angeles,5/1/11,61,5.42 Los Angeles,5/8/11,49,4.69 Los Angeles,5/15/11,40,5.05 New York,5/1/11,259,6.4 New York,5/8/11,187,5.3 New York,5/15/11,177,5.7 Paris,5/1/11,672,6.26 Paris,5/8/11,514,5.3 Paris,5/15/11,455,5.2 I want to mean-center the "Units" and "AveragePrice" Columns. So, I created this function: specialFunction <- function(x){ log(x) - colMeans(log...

This is an email to all New York based Asterisk users. For some time it's been bugging me that we don't have a local contact point/user community. If you are involved in Asterisk and in NY/NJ shoot me an email, I'm going to try and revitalize either meetup.com or some other shared environment for Asterisk users in...

Hey I noticed this posting, is anyone in New York interested in catching up? I'd be happy to host it at my place on 72nd/york if it wasn't too big a group, or we can always head out and grab some lunch or something somewhere. Email me your interest and we'll see what the numbers are. Cheers, Dean -----Original Message----- From:...

...In other words: Y~T,data=A for training Y~T,data=B for predicting I have devised a couple of method based around 1) standard deviation 2) R^2, but I am unhappy with them. Regards -- Corrado Topi Global Climate Change & Biodiversity Indicators Area 18,Department of Biology University of York, York, YO10 5YW, UK Phone: + 44 (0) 1904 328645, E-mail: ct529 at york.ac.uk

..., Do you know how to calculate the CONCAVE hull of a set of points (2- dimensional or n-dimensional)? is that possible in R? (With a "smoothing" parameter of course). Best, -- Corrado Topi Global Climate Change & Biodiversity Indicators Area 18,Department of Biology University of York, York, YO10 5YW, UK Phone: + 44 (0) 1904 328645, E-mail: ct529 at york.ac.uk