iter_pandas¶
Iterates over the rows of a pandas.DataFrame
.
Parameters¶
-
X (pandas.core.frame.DataFrame)
A dataframe of features.
-
y (Union[pandas.core.series.Series, pandas.core.frame.DataFrame]) – defaults to
None
A series or a dataframe with one column per target.
-
kwargs
Extra keyword arguments are passed to the underlying call to
stream.iter_array
.
Examples¶
>>> import pandas as pd
>>> from river import stream
>>> X = pd.DataFrame({
... 'x1': [1, 2, 3, 4],
... 'x2': ['blue', 'yellow', 'yellow', 'blue'],
... 'y': [True, False, False, True]
... })
>>> y = X.pop('y')
>>> for xi, yi in stream.iter_pandas(X, y):
... print(xi, yi)
{'x1': 1, 'x2': 'blue'} True
{'x1': 2, 'x2': 'yellow'} False
{'x1': 3, 'x2': 'yellow'} False
{'x1': 4, 'x2': 'blue'} True