last {SparkR} | R Documentation |
Aggregate function: returns the last value in a group.
last(x, ...) ## S4 method for signature 'characterOrColumn' last(x, na.rm = FALSE)
x |
column to compute on. |
... |
further arguments to be passed to or from other methods. |
na.rm |
a logical value indicating whether NA values should be stripped before the computation proceeds. |
The function by default returns the last values it sees. It will return the last non-missing value it sees when na.rm is set to true. If all values are missing, then NA is returned.
last since 1.4.0
Other agg_funcs: agg
, avg
,
countDistinct
, count
,
first
, kurtosis
,
max
, mean
, min
,
sd
, skewness
,
stddev_pop
, stddev_samp
,
sumDistinct
, sum
,
var_pop
, var_samp
,
var
## Not run:
##D last(df$c)
##D last(df$c, TRUE)
## End(Not run)