search for: jzadra

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Strange seq() behavior
2008 Nov 25
1
Strange seq() behavior
...> targets[7]==.7 [1] FALSE > targets[8]==.8 [1] TRUE > targets[9]==.9 [1] TRUE Thanks, Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
plot separate groups with plotmeans()
2011 Nov 09
2
plot separate groups with plotmeans()
.... Any help is appreciated, including pointing to a more robust function for plotting means. Thanks, Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
Prevent sequential repeated values in data frame column
2009 Aug 11
1
Prevent sequential repeated values in data frame column
...ay to do this? (Bonus if it could be implemented for more than a single column!) Thanks in advance, Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
Adding error bars to xyplot()
2010 Apr 21
1
Adding error bars to xyplot()
...empt, same result require(gplots) plotCI(x = time, y = means, uiw = SE, add=T) Thanks in advance! - Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
A shorter version of ".Last.value"?
2008 Jul 07
2
A shorter version of ".Last.value"?
...ct 'ans' that updates its value from ".Last.value" each time it is called? Thanks, Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
Change global env variables from within a function
2010 Oct 13
4
Change global env variables from within a function
...function environment but others in the parent environment. Any help is greatly appreciated. Thanks, Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
Functions similar to step() and all.effects() that work for lme() objects?
2008 Jul 18
1
Functions similar to step() and all.effects() that work for lme() objects?
...ither exist? If someone could point me in the right direction it would be much appreciated. Thanks! Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
Problems with aggregate() function in stats package
2011 Sep 15
1
Problems with aggregate() function in stats package
...859795 So, am I doing something wrong or is this function just not working as advertised? Thanks, Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
Nesting order for mixed models
2009 Mar 10
1
Nesting order for mixed models
...nce the trials will be most similar within each distance within each subject? Thanks in advance! - Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com>
nomianl response model
2010 Oct 15
0
nomianl response model
...function environment but others in the parent environment. Any help is greatly appreciated. Thanks, Jon -- Jon Zadra Department of Psychology University of Virginia P.O. Box 400400 Charlottesville VA 22904 (434) 982-4744 email: zadra at virginia.edu <http://www.google.com/calendar/embed?src=jzadra%40gmail.com> ------------------------------ Message: 76 Date: Wed, 13 Oct 2010 14:28:06 -0400 From: Duncan Murdoch <murdoch.duncan at gmail.com> To: zadra at virginia.edu Cc: r-help at r-project.org, Jon Zadra <jrz9f at virginia.edu> Subject: Re: [R] Change global env variables f...