| sd {SparkR} | R Documentation |
Aggregate function: alias for stddev_samp
## S4 method for signature 'Column' sd(x) ## S4 method for signature 'Column' stddev(x) sd(x, na.rm = FALSE) 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, agg,
agg, agg,GroupedData-method,
agg,SparkDataFrame-method,
summarize, summarize,
summarize,
summarize,GroupedData-method,
summarize,SparkDataFrame-method;
avg, avg,
avg,Column-method;
countDistinct, countDistinct,
countDistinct,Column-method,
n_distinct, n_distinct,
n_distinct,Column-method;
count, count,
count,Column-method,
count,GroupedData-method, n,
n, n,Column-method;
first, first,
first,
first,SparkDataFrame-method,
first,characterOrColumn-method;
kurtosis, kurtosis,
kurtosis,Column-method; last,
last,
last,characterOrColumn-method;
max, max,Column-method;
mean, mean,Column-method;
min, min,Column-method;
skewness, skewness,
skewness,Column-method;
stddev_pop, stddev_pop,
stddev_pop,Column-method;
stddev_samp, stddev_samp,
stddev_samp,Column-method;
sumDistinct, sumDistinct,
sumDistinct,Column-method;
sum, sum,Column-method;
var_pop, var_pop,
var_pop,Column-method;
var_samp, var_samp,
var_samp,Column-method; var,
var, var,Column-method,
variance, variance,
variance,Column-method
## Not run:
##D stddev(df$c)
##D select(df, stddev(df$age))
##D agg(df, sd(df$age))
## End(Not run)