covariance: Covariance on a Spark DataFrame

In danzafar/tidyspark: A Tidy Interface to Spark

Description

Covariance on a Spark DataFrame

Usage

covariance(x, colName1, colName2)

Arguments

x	a spark_tbl
colName1	the name of the first column
colName2	the name of the second column

Details

cov: When applied to spark_tbl, this calculates the sample covariance of two numerical columns of one spark_tbl.

Value

The covariance of the two columns.

Note

cov since 1.6.0

See Also

Other stat functions: approxQuantile(), corr(), crosstab(), freqItems(), sampleBy()

Examples

## Not run: 
cov(df, "mpg", "hp")
cov(df, df$mpg, df$hp)
## End(Not run)

danzafar/tidyspark documentation built on Sept. 30, 2020, 12:19 p.m.