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Dear List, I am having difficulty running the ps() function when variables are stored as factors and was hoping someone could provide some advice on how to proceed. I am running propensity score matching as outlined in: Greg Ridgeway, Dan McCarey, Andrew Morral, Lane Burgette and Beth Ann Grin (May 3, 2013) Toolkit for Weighting and Analysis of Nonequivalent Groups: A tutorial for the twang package and have a question about using unordered categorical variables as a covariates. The tutorial indicates that: "There is no need to ? create indicator, or dummy coded...

...smb_tid=2048 smb_pid=29333 smb_uid=2048 smb_mid=1 smt_wct=10 smb_vwv[0]=8 (0x8) smb_vwv[1]=0 (0x0) smb_vwv[2]=0 (0x0) smb_vwv[3]=8 (0x8) smb_vwv[4]=56 (0x38) smb_vwv[5]=0 (0x0) smb_vwv[6]=0 (0x0) smb_vwv[7]=64 (0x40) smb_vwv[8]=0 (0x0) smb_vwv[9]=0 (0x0) smb_bcc=9 Realloc asked for 0 bytes -- Wade Burgett http://www.burgettsys.com

...t; Edwards Philip M Contr AFRL/SNRR <Philip.Edwards@wpafb.af.mil> Drenning Bruce <bdrenni@catholicrelief.org> Glenn Valenta <glenn@coloradostudios.com> "Grosen, Mark" <Mark.Grosen@Dialogic.com> "Deborah Barba" <dbarba@yahoo-inc.com> Wade Burgett <wadeb@burgettsys.com> Carsten =3D?iso-8859-1?Q?Nordstr=3DF8m?=3D Jensen <north@get2net.= Bakaus@t-online.de (Berthold Bakaus) "webmaster@hotrate.com" <webmaster@hotrate.com> Heiko Nardmann <h.nardmann@secunet.de> "JEFFERY, Stuart" <Stuart.JEFFE...

I have a rather complex query that constructs the array @posts I''d really like to have these results paginated, but the nature of the query I''m running won''t let me use pagination the normal way. Since I already have a complete array, can''t I just paginate those results some way? -- Posted via http://www.ruby-forum.com/.

I installed the paypal gem and downloaded the plugin as instructed at http://dist.leetsoft.com/api/paypal/ When the plugin is in the vendor/plugins folder WEBrick refuses to start. No error messages, just "=> Booting WEBrick..." then back to my prompt. Do I have to declare the plugin someplace or something? -- Posted via http://www.ruby-forum.com/.

I need to search a specific column with an OR statement from a form, but can''t quite seem to figure out how. Right now I have: @query = request.raw_post || request.query_string @phrase = @query.sub(/ /,"% OR %") @posts = Post.find(:all, :conditions => [ ''(title LIKE :search_query OR body LIKE :search_query OR city LIKE :search_query

ok, here''s the deal. I''m having an issue using the file_column plugin on dreamhost. Everything works great on my local dev machine using webrick. On dreamhost i have no errors, but initially the uploaded images where stored in /public/user/...etc... When the image should have displayed I just got the filename instead. I though it might be a routing issue, so I tweaked the