Using melt function: Variable and Value

Asked Feb 24 '14 at 18:57

Active Feb 24 '14 at 19:00

Viewed 427 times

I used the melt function to combine some variable under a single column:

melt(p,id= c("year","month","carrier","carrier_name","airport","airport_name","arr_cancelled","arr_diverted","arr_delay"))

The melted data looks fine with all identifiers in place. The problem is the melted data is shown under 2 columns Variable and Value. I want to plot a graph using the data under Variable but it is throwing the following error:

Error in eval(expr, envir, enclos) : object 'variable' not found.

Do I have to map the melted data under Variable and Value to something so as to make it useful. How can I use the melted data?

edited Feb 24 '14 at 19:00

Thomas

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asked Feb 24 '14 at 18:57

user3314790

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If using non-base functions, always report packages those functions come from. Also please read about how to provide [a reproducible example](http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example). – Thomas Feb 24 '14 at 19:01
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`variable` vs `Variable` may be – Ananta Feb 24 '14 at 19:01
I have used the Reshape package – user3314790 Feb 24 '14 at 19:07
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what is your `p` object. Please include `dput(p)` in your original post. – Jd Baba Feb 24 '14 at 19:28
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`reshape` or `reshape2` – rawr Feb 24 '14 at 20:01

Using melt function: Variable and Value

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