datatable.corr()

datatable.

corr

(

col1

,

col2

)

sourcetests

Calculate the Pearson correlation between col1 and col2.

Parameters

col1

,

col2

Expr

Input columns.

return

Expr

f-expression having one row, one column and the correlation coefficient as the value. If one of the columns is non-numeric, the value is NA. The column stype is float32 if both col1 and col2 are float32, and float64 in all the other cases.

See Also

• cov() – function to calculate covariance between two columns.