Expr
Method |
arrow |
dask |
duckdb |
pandas-like |
polars |
spark-like |
abs |
 |
 |
 |
 |
 |
 |
alias |
 |
 |
 |
 |
 |
 |
all |
 |
 |
 |
 |
 |
 |
any |
 |
 |
 |
 |
 |
 |
arg_max |
 |
 |
 |
 |
 |
 |
arg_min |
 |
 |
 |
 |
 |
 |
arg_true |
 |
 |
 |
 |
 |
 |
cast |
 |
 |
 |
 |
 |
 |
cat |
 |
 |
 |
 |
 |
 |
clip |
 |
 |
 |
 |
 |
 |
count |
 |
 |
 |
 |
 |
 |
cum_count |
 |
 |
 |
 |
 |
 |
cum_max |
 |
 |
 |
 |
 |
 |
cum_min |
 |
 |
 |
 |
 |
 |
cum_prod |
 |
 |
 |
 |
 |
 |
cum_sum |
 |
 |
 |
 |
 |
 |
diff |
 |
 |
 |
 |
 |
 |
drop_nulls |
 |
 |
 |
 |
 |
 |
dt |
 |
 |
 |
 |
 |
 |
ewm_mean |
 |
 |
 |
 |
 |
 |
fill_null |
 |
 |
 |
 |
 |
 |
filter |
 |
 |
 |
 |
 |
 |
gather_every |
 |
 |
 |
 |
 |
 |
head |
 |
 |
 |
 |
 |
 |
is_between |
 |
 |
 |
 |
 |
 |
is_duplicated |
 |
 |
 |
 |
 |
 |
is_finite |
 |
 |
 |
 |
 |
 |
is_first_distinct |
 |
 |
 |
 |
 |
 |
is_in |
 |
 |
 |
 |
 |
 |
is_last_distinct |
 |
 |
 |
 |
 |
 |
is_nan |
 |
 |
 |
 |
 |
 |
is_null |
 |
 |
 |
 |
 |
 |
is_unique |
 |
 |
 |
 |
 |
 |
len |
 |
 |
 |
 |
 |
 |
list |
 |
 |
 |
 |
 |
 |
map_batches |
 |
 |
 |
 |
 |
 |
max |
 |
 |
 |
 |
 |
 |
mean |
 |
 |
 |
 |
 |
 |
median |
 |
 |
 |
 |
 |
 |
min |
 |
 |
 |
 |
 |
 |
mode |
 |
 |
 |
 |
 |
 |
n_unique |
 |
 |
 |
 |
 |
 |
name |
 |
 |
 |
 |
 |
 |
null_count |
 |
 |
 |
 |
 |
 |
over |
 |
 |
 |
 |
 |
 |
pipe |
 |
 |
 |
 |
 |
 |
quantile |
 |
 |
 |
 |
 |
 |
rank |
 |
 |
 |
 |
 |
 |
replace_strict |
 |
 |
 |
 |
 |
 |
rolling_mean |
 |
 |
 |
 |
 |
 |
rolling_std |
 |
 |
 |
 |
 |
 |
rolling_sum |
 |
 |
 |
 |
 |
 |
rolling_var |
 |
 |
 |
 |
 |
 |
round |
 |
 |
 |
 |
 |
 |
sample |
 |
 |
 |
 |
 |
 |
shift |
 |
 |
 |
 |
 |
 |
skew |
 |
 |
 |
 |
 |
 |
sort |
 |
 |
 |
 |
 |
 |
std |
 |
 |
 |
 |
 |
 |
str |
 |
 |
 |
 |
 |
 |
sum |
 |
 |
 |
 |
 |
 |
tail |
 |
 |
 |
 |
 |
 |
unique |
 |
 |
 |
 |
 |
 |
var |
 |
 |
 |
 |
 |
 |