nanvl

Description

Returns col1 if it is not NaN, or col2 if col1 is NaN. hhBoth inputs should be floating point columns (DoubleType or FloatType).

Usage

## S4 method for signature 'Column'
nanvl(y, x)

nanvl(y, x)

See Also

Other normal_funcs: abs; bitwiseNOT, bitwiseNOT; col, column, column; expr, expr; greatest, greatest; ifelse; is.nan, isnan, isnan; least, least; lit, lit; negate, negate; randn, randn, randn; rand, rand, rand; struct, struct; when

Examples

## Not run: nanvl(df$c, x)