EagerDataFrameOperations extension
- on
Methods
-
column(
String name) → Series -
Available on DataFrame, provided by the EagerDataFrameOperations extension
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distinct(
{Iterable< String> ? subset, String keep = 'first', bool maintainOrder = false}) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
drop(
Iterable< String> columns, {bool strict = true}) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
dropNulls(
{Iterable< String> ? subset}) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
explode(
Iterable< String> columns) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
filter(
Expr predicate) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
filterMask(
Series mask) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
head(
[int length = 5]) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
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rename(
Map< String, String> mapping, {bool strict = true}) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
reverse(
) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
select(
Iterable< Expr> expressions) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
selectColumns(
Iterable< String> columns) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
slice(
int offset, int length) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
sort(
Iterable< Expr> by, {Object descending = false, Object nullsLast = false, bool maintainOrder = false}) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
tail(
[int length = 5]) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
-
transpose(
{bool includeHeader = false, String headerName = 'column', Iterable< String> ? columnNames}) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
Transposes rows and columns. This is an expensive operation. -
unnest(
Iterable< String> columns) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
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unpivot(
{Iterable< String> ? on, Iterable<String> index = const [], String? variableName, String? valueName}) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension
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withColumns(
Iterable< Expr> expressions) → DataFrame -
Available on DataFrame, provided by the EagerDataFrameOperations extension