fill

Replaces null values with given value or expression.

See column selectors for how to select the columns for this operation.

df.fillNulls { colsOf<Int?>() }.with { -1 }
// same as
df.update { colsOf<Int?>() }.where { it == null }.with { -1 }

Replaces NaN values (Double.NaN and Float.NaN) with given value or expression.

See column selectors for how to select the columns for this operation.

df.fillNaNs { colsOf<Double>() }.withZero()

Replaces NA values (null, Double.NaN, and Float.NaN) with given value or expression.

See column selectors for how to select the columns for this operation.

df.fillNA { weight }.with { -1 }