[R] Plotting histogram of RT data

John Kane jrkrideau at inbox.com
Tue Apr 2 16:54:13 CEST 2013


What is x=readdir supposed to do?

John Kane
Kingston ON Canada

> -----Original Message-----
> From: circle.690 at gmail.com
> Sent: Sun, 31 Mar 2013 22:12:57 +1100
> To: r-help at r-project.org
> Subject: [R] Plotting histogram of RT data
> Hey there,
> I'm relatively new to R, and am currently working my way through some
> basic
> tutorials. I have a large data set that I've been able to import into the
> program. I'm using a script in which x=readdir (the directory). I am
> trying
> to create a histogram of the data in the 17th column, which is response
> time data ranging from ~200 to 15000. I have tried to create a histogram
> by
> entering hist(x[,17]). However, the output that I receive has an x-axis
> that is wayyy out with small values like 0e+00 up to 6e+05. All the data
> is
> clustered together in one bar at 0e+00 and has a frequency of 15000 on
> the
> y-axis. What am I doing wrong? How can I change the output so that I can
> assess the shape of the distribution?
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