| sd {SparkR} | R Documentation | 
Aggregate function: alias for stddev_samp
sd(x, na.rm = FALSE) stddev(x) ## S4 method for signature 'Column' sd(x) ## S4 method for signature 'Column' stddev(x)
| x | Column to compute on. | 
| na.rm | currently not used. | 
sd since 1.6.0
stddev since 1.6.0
Other agg_funcs: agg, avg,
countDistinct, count,
first, kurtosis,
last, max,
mean, min,
skewness, stddev_pop,
stddev_samp, sumDistinct,
sum, var_pop,
var_samp, var
## Not run: 
##D stddev(df$c)
##D select(df, stddev(df$age))
##D agg(df, sd(df$age))
## End(Not run)