ggplot without the use of subset

Question

I'm using ggplot2 with the faceting option to plot several results of a data.frame.

It's a data.frame with three factors :

participant (N) with 6 levels;
condition (C) with 6 levels;
stimuli (S) with 10 conditions.

I plot the results of one participants in one condition using the subset function and then I facet with ggplot. However, I was wondering if there was an easier solution in ggplot2?

Thanks for any help, I'm currently learning R and ggplot2.

It will be easier to help you if you post sample data and code. See this question and answers for tips: stackoverflow.com/q/5963269/602276 — Andrie
– Andrie, Commented Oct 7, 2011 at 14:01

Chris · Accepted Answer · 2011-10-07 16:08:33Z

1

It sounds like you're trying to ask how to set up a two-way facet. I'm going to guess that 'stimuli is your predictor variable.

One way is like this:

ggplot( mydata, aes( x = stimuli, y = my.response) +

        facet_wrap( condition ~ participant) +

        geom_line()

or

        geom_point()

answered Oct 7, 2011 at 16:08

Chris

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2 Comments

user330860 Over a year ago

OK thank you, but i wander how i can plot that for only one defined condition?

Chris Over a year ago

You can remove one of the variables in the facet_wrap statement, but some sample code showing what you've tried so far would be helpful.

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