Re: [R] Plotting histogram of RT data
http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example What is x=readdir supposed to do? John Kane Kingston ON Canada -Original Message- From: circle@gmail.com Sent: Sun, 31 Mar 2013 22:12:57 +1100 To: r-help@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? [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
[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? [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Re: [R] Plotting histogram of RT data
On 2013-03-31 04:12, Jacob Fake wrote: 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? I'm confused: is 'x' a data.frame or a directory? What exactly does x[, 17] mean here? If x is a data.frame, then the first thing to check is range(x[, 17]) It's also _always_ a good idea to check str(x) before you do anything further with x. Peter Ehlers [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
