search for: suntim

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2012 Jun 22
4
Questions about doing analysis based on time
...ogramming knowledge, so when I search for answers to my questions, I struggle with making sense of a lot of the pages. I have a spreadsheet that I've read into R using read.csv. I've also attached it. It looks like this (except there are 1600+ entries): > Sunday SunDate SunTime SunScore 1 5/9/2010 0:00 0:00 127 2 6/12/2011 0:00 0:00 125 3 6/15/2008 0:04 0:04 98 4 8/3/2008 0:07 0:07 118 5 7/24/2011 0:07 0:07 122 6 5/25/2008 0:09 0:09 104 7 5/20/2012 0:11 0:11 124 8 10/18/2009...
2012 May 11
1
arguments must have same length
> score<-read.csv("http://users.stat.umn.edu/~chen2285/hw/ACT.csv") > interaction.plot(sex,rep(1,861),score,fun=mean,legend=F,main="profile of > sex") Error: tapply(response, list(x.factor, trace.factor), fun) : arguments must have same length > length(sex) [1] 861 > length(type) [1] 861 > length(score) [1] 3 How can I alter the length of the variable