search for: wolfe

Displaying 20 results from an estimated 674 matches for "wolfe".

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2002 Nov 04
0
2.2.6+acl - strange behaviour
intro: i use a heavily customized arch-linux clone, so this is no newbie stuff. except root all linux users are auth'ed via winbind/w2kdc's. for windoze-user-convenience i have to use winbind use default domain == yes and installed ext3-acl support. acls are working ok, if managed via get/setfacl an also samba honours them correctly. for windoze-user-convenience acls should
2010 Jun 26
1
predict newdata question
Hi: I am using a subset of the below dataset to predict PRED_SUIT for the whole dataset but I am having trouble with 'newdata'. The model was created with 153 records and want to predict for 208 records. wolf2 <- structure(list(gridcell = c(367L, 444L, 533L, 587L, 598L, 609L, 620L, 629L, 641L, 651L, 662L, 674L, 684L, 695L, 738L, 748L, 804L, 805L, 872L, 919L, 929L, 938L, 950L, 958L,
2009 Nov 29
3
How to z-standardize for subgroups?
Hi folks, I have a dataframe df.vars with the follwing structure: var1 var2 var3 group Group is a factor. Now I want to standardize the vars 1-3 (actually - there are many more) by class, so I define z.mean.sd <- function(data){ return.values <- (data - mean(data)) / (sd(data)) return(return.values) } now I can call for each var z.var1 <- by(df.vars$var1, group,
2009 May 14
5
Graphical output format
Dear colleagues, Saving a plot with pdf gives a very nice result: pdf("myplot.pdf") par(font=1,family='serif') plot(pressure) dev.off() Doing the very same with other formats (png, jpeg, tiff) gives far worse results. Is there anything to do to make a plot in some other format than pdf look like the pdf? Hardly any journal accepts pdf files for figures, and most do accept png
2004 Nov 23
5
number of pairwise present data in matrix with missings
is there a smart way of determining the number of pairwise present data in a data matrix with missings (maybe as a by-product of some statistical function?) so far, i used several loops like: for (column1 in 1:99) { for (column2 in 2:100) { for (row in 1:500) { if (!is.na(matrix[row,column1]) & !is.na(matrix[row,column2])) { pairs[col1,col2] <- pairs[col1,col2]+1
2011 Jul 17
3
gsub() with unicode and escape character
Dear helpers, I'm trying to replace a character with a unicode code inside a data frame using gsub(), but unsuccessfully. > data.frame(animals=c("dog","wolf","cat"))->my.data > gsub("o","\u0254",my.data$animals)->my.data$animals > my.data$animals [1] "d??g" "w??lf" "cat" It's not that a data
2004 Sep 24
5
AW: How to improve the quality of curve/line plots?
Thanks for the tip using a smoothing technique before plotiing in order to get a curve instead of a line connecting the observations. But that's not the solution for my main problem with the "unclean" line plot. In order to show my problem let's take this simple example: > xval <- c(1, 2, 3, 4, 5, 6, 7, 8) > yval <- c(10, 30, 40, 50, 70, 90, 100, 110) > plot
2007 Jun 26
3
[PATCH] Always use mipmaps in cube plugin
Currently, the cube plugin uses mipmapping only when cube is unfolded. When the cube is rotated, mipmaps are not used, which leads to ugly look of textures. The attached patch fixes this. This leads to another kind of artifacts, which are fixable with anisotropic filtering. http://team.pld-linux.org/~wolf/aniso.png The leftmost image is the current state of cube plugin. The center image is with
2005 Dec 19
2
Logging of Form information in production environment.
...Isn't this a security risk? Especially since a user creation form puts this in the logfile: Processing Base#index (for 127.0.0.1 at 2005-12-18 21:03:33) [POST] Parameters: {"user"=>{"password_confirmation"=>"mypassword", "username"=>"seanwolfe", "lastname"=>"Wolfe", "firstname"=>"Sean", "form"=>"edit", "password"=>"mypassword", "email"=>"nobody@nowhere.com"}, "commit"=>"Signup"} I'm not total...
2004 Oct 14
3
Filling polygons with points
Dear list, are there any possibilities to fill a polygon with a point pattern or with a symbol pattern like '+' oder '-' instead of shading lines? Thanks in advance Dr. Michael Wolf Bezirksregierung M??nster Dezernat 61 Domplatz 1-3 48161 M??nster Tel.: ++ 49 (02 51) / 4 11 - 17 95 Fax.: ++ 49 (02 51) / 4 11 - 8 17 95 E-Mail: michael.wolf at bezreg-muenster.nrw.de
2003 Jul 16
2
Stem and leaf display?
I would like to do some fairly basic stem-and-leaf displays in R. I am aware (I might even say painfully aware) of stem(base) and have tried it. That's why I'm hoping someone has a usable stem- and-leaf display for R so that I don't have to write my own. r-project.org > Search > R Site Search > "stem and leaf display" finds nothing. I also tried the mail archive
2003 Mar 21
1
Savitzky-Golay Derivative and Smoothing
If I'm not mistaken, that's sort of local polynomial with even degree and fixed bandwidth (based on my own interpretation of description in Numerical Recipes). You can do that with functions in the KernSmooth package. HTH, Andy > -----Original Message----- > From: wolf at micro-biolytics.com [mailto:wolf at micro-biolytics.com] > Sent: Friday, March 21, 2003 1:43 PM > To:
2006 Jun 08
5
AM/PM select
...t the select_datetime fields have AM/PM selectors instead of 24 hour time. The rails time and datetime selects seem to only support 24 hour time. I can''t seem to find any information on this. i was wondering if there is already a solution out there, or will i have to roll my own? Sean Wolfe master nerd of i heart squares, inc. 3711 N. Ravenswood Ave. #147 Chicago, IL 60613 http://www.iheartsquares.com -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060608/4aa674e0/attachment-0001.html
2012 Sep 27
6
Mac Text editors
Hi everyone, I've recently moved from using a windows machine to a Mac (some might call it an upgrade, others not?I'll let you be the judge). Once I started using Notepad ++ on my windows machine, I really began to like it. Unfortunately, I'm not sure what the free text editor options are for the Mac (Notepad ++ is windows only). I've dabbled with Linux before and used
2006 Jan 03
3
render :partial stops setting local variables.
...%= render :partial ''edit'', :username => @user.username %> used to allow that username was a local variable in my _edit.rhtml partial template. example: <p><b>Username:</b> <%= username %></p> Could this be a problem with Ruby 1.8.4? -- Sean Wolfe master nerd of i heart squares, Co. 3711 N. Ravenswood Ave. #147 Chicago, IL 60613 Ph. (773) 531-6301 Fx. (773) 529-7041 http://www.iheartsquares.com -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments/20060103/5...
2005 Mar 24
5
Using html_options with link_to_remote??
Why doesn''t this output class="delete" into my html? <%= link_to_remote image_tag("delete"), :update => "relationship_" + @relationship.id.to_s, :url => { :controller => "relationships", :action => "destroy", :id => @relationship.id }, :html_options => {:class => "delete"} %> Regards, Ben
2004 Dec 15
0
AW: Problem with German special characters
Dear Prof. Ripley, thanks for your help. Everything is working fine! With best regards Michael Wolf -----Urspr??ngliche Nachricht----- Von: Brian D Ripley [mailto:ripley at stats.ox.ac.uk] Gesendet: Mittwoch, 15. Dezember 2004 09:01 An: Wolf, Michael Betreff: Re: [R] Problem with German special characters Please do look in the list archives: this is a Windows bug worked around a while back.
2006 Jan 01
11
Migration db_schema_import always fails.
...umnDefinition:Class This happens for me on Windows, Linux, MacOX, ruby 1.8.2/1.8.4, rails 1.0, mySQL 4.1.14. looking at the error, it looks like there might be some sort of bug with a backtick/single-quote mismatch. Migration db_schema_import always fails. Anybody else experiencing this? -- Sean Wolfe master nerd of i heart squares, Co. 3711 N. Ravenswood Ave. #147 Chicago, IL 60613 Ph. (773) 531-6301 Fx. (773) 529-7041 http://www.iheartsquares.com
2004 Sep 23
1
How to improve the quality of curve/line plots?
Dear list, I'm using the windows version of R. When plotting a curve or a line for time series with annual data , e. g. GDP growth 1991-2003, the line seems to exist of a lot of smaller lines. Printing the results the curves and lines seems to be "unclean" (because of using small resolution bitmaps?). Comparing the result of R with the same results of Excel the lines in excel seems
2011 Feb 11
3
Writing R packages in an easier way?
Dear R colleagues, is there an easier way to write R packages for the own use - without RTools and TeX? With R versions < 2.10.0 it was very easy to write a package. Under the path with the package name you wrote a description file and built some directories like "help", "html" and "R" with the special files in a "hand-operated" way. In the next step