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Returns the greatest value of the list of column names, skipping null values. This function takes at least 2 parameters. It will return null if all parameters are null.
greatest(x, ...)# S4 method for Column greatest(x, ...)
# S4 method for Column greatest(x, ...)
Column to compute on
other columns
Other normal_funcs: abs, bitwiseNOT, coalesce, column, expr, ifelse, isnan, least, lit, nanvl, negate, randn, rand, struct, when
abs
bitwiseNOT
coalesce
column
expr
ifelse
isnan
least
lit
nanvl
negate
randn
rand
struct
when
# NOT RUN { greatest(df$c, df$d) # }
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