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I'm new to R and I'm trying to find the correlation between a numeric variable and a factor one. I have a data frame with the following 3 columns: 1. nr of clicks (range 0:14) 2. response (1= "YES", 0="NO") 3. Frequencies - no of counts (how many clients responded "YES" with X no of clicks)

So, the no of rows of the table is 28.

How can I measure the correlation between the dependent variable, response, and the numeric one?

Thanks! Rodica

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In order to determine correlation between heterogeneous variables, you can use hetcor() function from the polycor R package: http://cran.r-project.org/web/packages/polycor.

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    $\begingroup$ Please keep in mind that the package seems to rely on factor orderings. The package does not seem to give sensible results for unordered variables. $\endgroup$
    – Holger Brandl
    Commented Jun 3, 2019 at 11:44
  • $\begingroup$ @HolgerBrandl It was a while ago, but thank you for letting me know. :-) $\endgroup$
    – Aleksandr Blekh
    Commented Jun 3, 2019 at 20:00
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    $\begingroup$ See stackoverflow.com/a/56485520/590437 for an alternative implementation $\endgroup$
    – Holger Brandl
    Commented Jun 7, 2019 at 9:10
  • $\begingroup$ @HolgerBrandl Interesting. Thank you for sharing. $\endgroup$
    – Aleksandr Blekh
    Commented Jun 7, 2019 at 16:16

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