More in-memory input support for column split (#9685)

This commit is contained in:
Rong Ou
2023-10-20 01:02:36 -07:00
committed by GitHub
parent 83cdf14b2c
commit 6fbe6248f4
5 changed files with 479 additions and 213 deletions

View File

@@ -1,3 +1,4 @@
import sys
from typing import Type
import numpy as np
@@ -6,6 +7,7 @@ from test_dmatrix import set_base_margin_info
import xgboost as xgb
from xgboost import testing as tm
from xgboost.core import DataSplitMode
from xgboost.testing.data import pd_arrow_dtypes, pd_dtypes
try:
@@ -17,114 +19,194 @@ except ImportError:
pytestmark = pytest.mark.skipif(**tm.no_pandas())
dpath = 'demo/data/'
dpath = "demo/data/"
rng = np.random.RandomState(1994)
class TestPandas:
def test_pandas(self):
df = pd.DataFrame([[1, 2., True], [2, 3., False]],
columns=['a', 'b', 'c'])
dm = xgb.DMatrix(df, label=pd.Series([1, 2]))
assert dm.feature_names == ['a', 'b', 'c']
assert dm.feature_types == ['int', 'float', 'i']
def test_pandas(self, data_split_mode=DataSplitMode.ROW):
world_size = xgb.collective.get_world_size()
df = pd.DataFrame([[1, 2.0, True], [2, 3.0, False]], columns=["a", "b", "c"])
dm = xgb.DMatrix(df, label=pd.Series([1, 2]), data_split_mode=data_split_mode)
assert dm.num_row() == 2
assert dm.num_col() == 3
if data_split_mode == DataSplitMode.ROW:
assert dm.feature_names == ["a", "b", "c"]
assert dm.feature_types == ["int", "float", "i"]
assert dm.num_col() == 3
else:
assert dm.feature_names == tm.column_split_feature_names(
["a", "b", "c"], world_size
)
assert dm.feature_types == ["int", "float", "i"] * world_size
assert dm.num_col() == 3 * world_size
np.testing.assert_array_equal(dm.get_label(), np.array([1, 2]))
# overwrite feature_names and feature_types
dm = xgb.DMatrix(df, label=pd.Series([1, 2]),
feature_names=['x', 'y', 'z'],
feature_types=['q', 'q', 'q'])
assert dm.feature_names == ['x', 'y', 'z']
assert dm.feature_types == ['q', 'q', 'q']
dm = xgb.DMatrix(
df,
label=pd.Series([1, 2]),
feature_names=["x", "y", "z"],
feature_types=["q", "q", "q"],
data_split_mode=data_split_mode,
)
assert dm.num_row() == 2
assert dm.num_col() == 3
if data_split_mode == DataSplitMode.ROW:
assert dm.feature_names == ["x", "y", "z"]
assert dm.feature_types == ["q", "q", "q"]
assert dm.num_col() == 3
else:
assert dm.feature_names == tm.column_split_feature_names(
["x", "y", "z"], world_size
)
assert dm.feature_types == ["q", "q", "q"] * world_size
assert dm.num_col() == 3 * world_size
# incorrect dtypes
df = pd.DataFrame([[1, 2., 'x'], [2, 3., 'y']],
columns=['a', 'b', 'c'])
df = pd.DataFrame([[1, 2.0, "x"], [2, 3.0, "y"]], columns=["a", "b", "c"])
with pytest.raises(ValueError):
xgb.DMatrix(df)
xgb.DMatrix(df, data_split_mode=data_split_mode)
# numeric columns
df = pd.DataFrame([[1, 2., True], [2, 3., False]])
dm = xgb.DMatrix(df, label=pd.Series([1, 2]))
assert dm.feature_names == ['0', '1', '2']
assert dm.feature_types == ['int', 'float', 'i']
df = pd.DataFrame([[1, 2.0, True], [2, 3.0, False]])
dm = xgb.DMatrix(df, label=pd.Series([1, 2]), data_split_mode=data_split_mode)
assert dm.num_row() == 2
assert dm.num_col() == 3
if data_split_mode == DataSplitMode.ROW:
assert dm.feature_names == ["0", "1", "2"]
assert dm.feature_types == ["int", "float", "i"]
assert dm.num_col() == 3
else:
assert dm.feature_names == tm.column_split_feature_names(
["0", "1", "2"], world_size
)
assert dm.feature_types == ["int", "float", "i"] * world_size
assert dm.num_col() == 3 * world_size
np.testing.assert_array_equal(dm.get_label(), np.array([1, 2]))
df = pd.DataFrame([[1, 2., 1], [2, 3., 1]], columns=[4, 5, 6])
dm = xgb.DMatrix(df, label=pd.Series([1, 2]))
assert dm.feature_names == ['4', '5', '6']
assert dm.feature_types == ['int', 'float', 'int']
df = pd.DataFrame([[1, 2.0, 1], [2, 3.0, 1]], columns=[4, 5, 6])
dm = xgb.DMatrix(df, label=pd.Series([1, 2]), data_split_mode=data_split_mode)
assert dm.num_row() == 2
assert dm.num_col() == 3
if data_split_mode == DataSplitMode.ROW:
assert dm.feature_names == ["4", "5", "6"]
assert dm.feature_types == ["int", "float", "int"]
assert dm.num_col() == 3
else:
assert dm.feature_names == tm.column_split_feature_names(
["4", "5", "6"], world_size
)
assert dm.feature_types == ["int", "float", "int"] * world_size
assert dm.num_col() == 3 * world_size
df = pd.DataFrame({'A': ['X', 'Y', 'Z'], 'B': [1, 2, 3]})
df = pd.DataFrame({"A": ["X", "Y", "Z"], "B": [1, 2, 3]})
dummies = pd.get_dummies(df)
# B A_X A_Y A_Z
# 0 1 1 0 0
# 1 2 0 1 0
# 2 3 0 0 1
result, _, _ = xgb.data._transform_pandas_df(dummies,
enable_categorical=False)
exp = np.array([[1., 1., 0., 0.],
[2., 0., 1., 0.],
[3., 0., 0., 1.]])
result, _, _ = xgb.data._transform_pandas_df(dummies, enable_categorical=False)
exp = np.array(
[[1.0, 1.0, 0.0, 0.0], [2.0, 0.0, 1.0, 0.0], [3.0, 0.0, 0.0, 1.0]]
)
np.testing.assert_array_equal(result, exp)
dm = xgb.DMatrix(dummies)
assert dm.feature_names == ['B', 'A_X', 'A_Y', 'A_Z']
if int(pd.__version__[0]) >= 2:
assert dm.feature_types == ['int', 'i', 'i', 'i']
dm = xgb.DMatrix(dummies, data_split_mode=data_split_mode)
assert dm.num_row() == 3
if data_split_mode == DataSplitMode.ROW:
assert dm.feature_names == ["B", "A_X", "A_Y", "A_Z"]
if int(pd.__version__[0]) >= 2:
assert dm.feature_types == ["int", "i", "i", "i"]
else:
assert dm.feature_types == ["int", "int", "int", "int"]
assert dm.num_col() == 4
else:
assert dm.feature_types == ['int', 'int', 'int', 'int']
assert dm.num_row() == 3
assert dm.num_col() == 4
assert dm.feature_names == tm.column_split_feature_names(
["B", "A_X", "A_Y", "A_Z"], world_size
)
if int(pd.__version__[0]) >= 2:
assert dm.feature_types == ["int", "i", "i", "i"] * world_size
else:
assert dm.feature_types == ["int", "int", "int", "int"] * world_size
assert dm.num_col() == 4 * world_size
df = pd.DataFrame({'A=1': [1, 2, 3], 'A=2': [4, 5, 6]})
dm = xgb.DMatrix(df)
assert dm.feature_names == ['A=1', 'A=2']
assert dm.feature_types == ['int', 'int']
df = pd.DataFrame({"A=1": [1, 2, 3], "A=2": [4, 5, 6]})
dm = xgb.DMatrix(df, data_split_mode=data_split_mode)
assert dm.num_row() == 3
assert dm.num_col() == 2
if data_split_mode == DataSplitMode.ROW:
assert dm.feature_names == ["A=1", "A=2"]
assert dm.feature_types == ["int", "int"]
assert dm.num_col() == 2
else:
assert dm.feature_names == tm.column_split_feature_names(
["A=1", "A=2"], world_size
)
assert dm.feature_types == ["int", "int"] * world_size
assert dm.num_col() == 2 * world_size
df_int = pd.DataFrame([[1, 1.1], [2, 2.2]], columns=[9, 10])
dm_int = xgb.DMatrix(df_int)
dm_int = xgb.DMatrix(df_int, data_split_mode=data_split_mode)
df_range = pd.DataFrame([[1, 1.1], [2, 2.2]], columns=range(9, 11, 1))
dm_range = xgb.DMatrix(df_range)
assert dm_int.feature_names == ['9', '10'] # assert not "9 "
dm_range = xgb.DMatrix(df_range, data_split_mode=data_split_mode)
if data_split_mode == DataSplitMode.ROW:
assert dm_int.feature_names == ["9", "10"] # assert not "9 "
else:
assert dm_int.feature_names == tm.column_split_feature_names(
["9", "10"], world_size
)
assert dm_int.feature_names == dm_range.feature_names
# test MultiIndex as columns
df = pd.DataFrame(
[
(1, 2, 3, 4, 5, 6),
(6, 5, 4, 3, 2, 1)
],
columns=pd.MultiIndex.from_tuples((
('a', 1), ('a', 2), ('a', 3),
('b', 1), ('b', 2), ('b', 3),
))
[(1, 2, 3, 4, 5, 6), (6, 5, 4, 3, 2, 1)],
columns=pd.MultiIndex.from_tuples(
(
("a", 1),
("a", 2),
("a", 3),
("b", 1),
("b", 2),
("b", 3),
)
),
)
dm = xgb.DMatrix(df)
assert dm.feature_names == ['a 1', 'a 2', 'a 3', 'b 1', 'b 2', 'b 3']
assert dm.feature_types == ['int', 'int', 'int', 'int', 'int', 'int']
dm = xgb.DMatrix(df, data_split_mode=data_split_mode)
assert dm.num_row() == 2
assert dm.num_col() == 6
if data_split_mode == DataSplitMode.ROW:
assert dm.feature_names == ["a 1", "a 2", "a 3", "b 1", "b 2", "b 3"]
assert dm.feature_types == ["int", "int", "int", "int", "int", "int"]
assert dm.num_col() == 6
else:
assert dm.feature_names == tm.column_split_feature_names(
["a 1", "a 2", "a 3", "b 1", "b 2", "b 3"], world_size
)
assert (
dm.feature_types
== ["int", "int", "int", "int", "int", "int"] * world_size
)
assert dm.num_col() == 6 * world_size
# test Index as columns
df = pd.DataFrame([[1, 1.1], [2, 2.2]], columns=pd.Index([1, 2]))
Xy = xgb.DMatrix(df)
np.testing.assert_equal(np.array(Xy.feature_names), np.array(["1", "2"]))
Xy = xgb.DMatrix(df, data_split_mode=data_split_mode)
if data_split_mode == DataSplitMode.ROW:
np.testing.assert_equal(np.array(Xy.feature_names), np.array(["1", "2"]))
else:
np.testing.assert_equal(
np.array(Xy.feature_names),
np.array(tm.column_split_feature_names(["1", "2"], world_size)),
)
# test pandas series
data_series = pd.Series([1, 2, 3, 4, 5])
dm = xgb.DMatrix(data_series, data_split_mode=data_split_mode)
assert dm.num_row() == 5
if data_split_mode == DataSplitMode.ROW:
assert dm.num_col() == 1
else:
assert dm.num_col() == 1 * world_size
def test_slice(self):
rng = np.random.RandomState(1994)
rows = 100
X = rng.randint(3, 7, size=rows)
X = pd.DataFrame({'f0': X})
X = pd.DataFrame({"f0": X})
y = rng.randn(rows)
ridxs = [1, 2, 3, 4, 5, 6]
m = xgb.DMatrix(X, y)
@@ -132,15 +214,16 @@ class TestPandas:
assert m.feature_types == sliced.feature_types
def test_pandas_categorical(self):
def test_pandas_categorical(self, data_split_mode=DataSplitMode.ROW):
world_size = xgb.collective.get_world_size()
rng = np.random.RandomState(1994)
rows = 100
X = rng.randint(3, 7, size=rows)
X = pd.Series(X, dtype="category")
X = pd.DataFrame({'f0': X})
X = pd.DataFrame({"f0": X})
y = rng.randn(rows)
m = xgb.DMatrix(X, y, enable_categorical=True)
assert m.feature_types[0] == 'c'
m = xgb.DMatrix(X, y, enable_categorical=True, data_split_mode=data_split_mode)
assert m.feature_types[0] == "c"
X_0 = ["f", "o", "o"]
X_1 = [4, 3, 2]
@@ -159,22 +242,29 @@ class TestPandas:
assert not np.any(arr == -1.0)
X = X["f0"]
y = y[:X.shape[0]]
y = y[: X.shape[0]]
with pytest.raises(ValueError, match=r".*enable_categorical.*"):
xgb.DMatrix(X, y)
xgb.DMatrix(X, y, data_split_mode=data_split_mode)
Xy = xgb.DMatrix(X, y, enable_categorical=True)
Xy = xgb.DMatrix(X, y, enable_categorical=True, data_split_mode=data_split_mode)
assert Xy.num_row() == 3
assert Xy.num_col() == 1
if data_split_mode == DataSplitMode.ROW:
assert Xy.num_col() == 1
else:
assert Xy.num_col() == 1 * world_size
def test_pandas_sparse(self):
import pandas as pd
rows = 100
X = pd.DataFrame(
{"A": pd.arrays.SparseArray(np.random.randint(0, 10, size=rows)),
"B": pd.arrays.SparseArray(np.random.randn(rows)),
"C": pd.arrays.SparseArray(np.random.permutation(
[True, False] * (rows // 2)))}
{
"A": pd.arrays.SparseArray(np.random.randint(0, 10, size=rows)),
"B": pd.arrays.SparseArray(np.random.randn(rows)),
"C": pd.arrays.SparseArray(
np.random.permutation([True, False] * (rows // 2))
),
}
)
y = pd.Series(pd.arrays.SparseArray(np.random.randn(rows)))
dtrain = xgb.DMatrix(X, y)
@@ -183,27 +273,36 @@ class TestPandas:
predt_dense = booster.predict(xgb.DMatrix(X.sparse.to_dense()))
np.testing.assert_allclose(predt_sparse, predt_dense)
def test_pandas_label(self):
def test_pandas_label(self, data_split_mode=DataSplitMode.ROW):
world_size = xgb.collective.get_world_size()
# label must be a single column
df = pd.DataFrame({'A': ['X', 'Y', 'Z'], 'B': [1, 2, 3]})
df = pd.DataFrame({"A": ["X", "Y", "Z"], "B": [1, 2, 3]})
with pytest.raises(ValueError):
xgb.data._transform_pandas_df(df, False, None, None, 'label', 'float')
xgb.data._transform_pandas_df(df, False, None, None, "label", "float")
# label must be supported dtype
df = pd.DataFrame({'A': np.array(['a', 'b', 'c'], dtype=object)})
df = pd.DataFrame({"A": np.array(["a", "b", "c"], dtype=object)})
with pytest.raises(ValueError):
xgb.data._transform_pandas_df(df, False, None, None, 'label', 'float')
xgb.data._transform_pandas_df(df, False, None, None, "label", "float")
df = pd.DataFrame({'A': np.array([1, 2, 3], dtype=int)})
result, _, _ = xgb.data._transform_pandas_df(df, False, None, None,
'label', 'float')
np.testing.assert_array_equal(result, np.array([[1.], [2.], [3.]],
dtype=float))
dm = xgb.DMatrix(np.random.randn(3, 2), label=df)
df = pd.DataFrame({"A": np.array([1, 2, 3], dtype=int)})
result, _, _ = xgb.data._transform_pandas_df(
df, False, None, None, "label", "float"
)
np.testing.assert_array_equal(
result, np.array([[1.0], [2.0], [3.0]], dtype=float)
)
dm = xgb.DMatrix(
np.random.randn(3, 2), label=df, data_split_mode=data_split_mode
)
assert dm.num_row() == 3
assert dm.num_col() == 2
if data_split_mode == DataSplitMode.ROW:
assert dm.num_col() == 2
else:
assert dm.num_col() == 2 * world_size
def test_pandas_weight(self):
def test_pandas_weight(self, data_split_mode=DataSplitMode.ROW):
world_size = xgb.collective.get_world_size()
kRows = 32
kCols = 8
@@ -211,11 +310,13 @@ class TestPandas:
y = np.random.randn(kRows)
w = np.random.uniform(size=kRows).astype(np.float32)
w_pd = pd.DataFrame(w)
data = xgb.DMatrix(X, y, weight=w_pd)
data = xgb.DMatrix(X, y, weight=w_pd, data_split_mode=data_split_mode)
assert data.num_row() == kRows
assert data.num_col() == kCols
if data_split_mode == DataSplitMode.ROW:
assert data.num_col() == kCols
else:
assert data.num_col() == kCols * world_size
np.testing.assert_array_equal(data.get_weight(), w)
def test_base_margin(self):
@@ -223,81 +324,128 @@ class TestPandas:
def test_cv_as_pandas(self):
dm, _ = tm.load_agaricus(__file__)
params = {'max_depth': 2, 'eta': 1, 'verbosity': 0,
'objective': 'binary:logistic', 'eval_metric': 'error'}
params = {
"max_depth": 2,
"eta": 1,
"verbosity": 0,
"objective": "binary:logistic",
"eval_metric": "error",
}
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10)
assert isinstance(cv, pd.DataFrame)
exp = pd.Index([u'test-error-mean', u'test-error-std',
u'train-error-mean', u'train-error-std'])
exp = pd.Index(
["test-error-mean", "test-error-std", "train-error-mean", "train-error-std"]
)
assert len(cv.columns.intersection(exp)) == 4
# show progress log (result is the same as above)
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
verbose_eval=True)
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10, verbose_eval=True)
assert isinstance(cv, pd.DataFrame)
exp = pd.Index([u'test-error-mean', u'test-error-std',
u'train-error-mean', u'train-error-std'])
exp = pd.Index(
["test-error-mean", "test-error-std", "train-error-mean", "train-error-std"]
)
assert len(cv.columns.intersection(exp)) == 4
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
verbose_eval=True, show_stdv=False)
cv = xgb.cv(
params, dm, num_boost_round=10, nfold=10, verbose_eval=True, show_stdv=False
)
assert isinstance(cv, pd.DataFrame)
exp = pd.Index([u'test-error-mean', u'test-error-std',
u'train-error-mean', u'train-error-std'])
exp = pd.Index(
["test-error-mean", "test-error-std", "train-error-mean", "train-error-std"]
)
assert len(cv.columns.intersection(exp)) == 4
params = {'max_depth': 2, 'eta': 1, 'verbosity': 0,
'objective': 'binary:logistic', 'eval_metric': 'auc'}
params = {
"max_depth": 2,
"eta": 1,
"verbosity": 0,
"objective": "binary:logistic",
"eval_metric": "auc",
}
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10, as_pandas=True)
assert 'eval_metric' in params
assert 'auc' in cv.columns[0]
assert "eval_metric" in params
assert "auc" in cv.columns[0]
params = {'max_depth': 2, 'eta': 1, 'verbosity': 0,
'objective': 'binary:logistic', 'eval_metric': ['auc']}
params = {
"max_depth": 2,
"eta": 1,
"verbosity": 0,
"objective": "binary:logistic",
"eval_metric": ["auc"],
}
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10, as_pandas=True)
assert 'eval_metric' in params
assert 'auc' in cv.columns[0]
assert "eval_metric" in params
assert "auc" in cv.columns[0]
params = {'max_depth': 2, 'eta': 1, 'verbosity': 0,
'objective': 'binary:logistic', 'eval_metric': ['auc']}
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
as_pandas=True, early_stopping_rounds=1)
assert 'eval_metric' in params
assert 'auc' in cv.columns[0]
params = {
"max_depth": 2,
"eta": 1,
"verbosity": 0,
"objective": "binary:logistic",
"eval_metric": ["auc"],
}
cv = xgb.cv(
params,
dm,
num_boost_round=10,
nfold=10,
as_pandas=True,
early_stopping_rounds=1,
)
assert "eval_metric" in params
assert "auc" in cv.columns[0]
assert cv.shape[0] < 10
params = {'max_depth': 2, 'eta': 1, 'verbosity': 0,
'objective': 'binary:logistic'}
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
as_pandas=True, metrics='auc')
assert 'auc' in cv.columns[0]
params = {
"max_depth": 2,
"eta": 1,
"verbosity": 0,
"objective": "binary:logistic",
}
cv = xgb.cv(
params, dm, num_boost_round=10, nfold=10, as_pandas=True, metrics="auc"
)
assert "auc" in cv.columns[0]
params = {'max_depth': 2, 'eta': 1, 'verbosity': 0,
'objective': 'binary:logistic'}
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
as_pandas=True, metrics=['auc'])
assert 'auc' in cv.columns[0]
params = {
"max_depth": 2,
"eta": 1,
"verbosity": 0,
"objective": "binary:logistic",
}
cv = xgb.cv(
params, dm, num_boost_round=10, nfold=10, as_pandas=True, metrics=["auc"]
)
assert "auc" in cv.columns[0]
params = {'max_depth': 2, 'eta': 1, 'verbosity': 0,
'objective': 'binary:logistic', 'eval_metric': ['auc']}
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
as_pandas=True, metrics='error')
assert 'eval_metric' in params
assert 'auc' not in cv.columns[0]
assert 'error' in cv.columns[0]
params = {
"max_depth": 2,
"eta": 1,
"verbosity": 0,
"objective": "binary:logistic",
"eval_metric": ["auc"],
}
cv = xgb.cv(
params, dm, num_boost_round=10, nfold=10, as_pandas=True, metrics="error"
)
assert "eval_metric" in params
assert "auc" not in cv.columns[0]
assert "error" in cv.columns[0]
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
as_pandas=True, metrics=['error'])
assert 'eval_metric' in params
assert 'auc' not in cv.columns[0]
assert 'error' in cv.columns[0]
cv = xgb.cv(
params, dm, num_boost_round=10, nfold=10, as_pandas=True, metrics=["error"]
)
assert "eval_metric" in params
assert "auc" not in cv.columns[0]
assert "error" in cv.columns[0]
params = list(params.items())
cv = xgb.cv(params, dm, num_boost_round=10, nfold=10,
as_pandas=True, metrics=['error'])
cv = xgb.cv(
params, dm, num_boost_round=10, nfold=10, as_pandas=True, metrics=["error"]
)
assert isinstance(params, list)
assert 'auc' not in cv.columns[0]
assert 'error' in cv.columns[0]
assert "auc" not in cv.columns[0]
assert "error" in cv.columns[0]
@pytest.mark.parametrize("DMatrixT", [xgb.DMatrix, xgb.QuantileDMatrix])
def test_nullable_type(self, DMatrixT) -> None:
@@ -358,3 +506,60 @@ class TestPandas:
if y is not None:
np.testing.assert_allclose(m_orig.get_label(), m_etype.get_label())
np.testing.assert_allclose(m_etype.get_label(), y.values)
@pytest.mark.skipif(tm.is_windows(), reason="Rabit does not run on windows")
def test_pandas_column_split(self):
tm.run_with_rabit(
world_size=3, test_fn=self.test_pandas, data_split_mode=DataSplitMode.COL
)
@pytest.mark.skipif(tm.is_windows(), reason="Rabit does not run on windows")
def test_pandas_categorical_column_split(self):
tm.run_with_rabit(
world_size=3,
test_fn=self.test_pandas_categorical,
data_split_mode=DataSplitMode.COL,
)
@pytest.mark.skipif(tm.is_windows(), reason="Rabit does not run on windows")
def test_pandas_sparse_column_split(self):
rows = 100
X = pd.DataFrame(
{
"A": pd.arrays.SparseArray(np.random.randint(0, 10, size=rows)),
"B": pd.arrays.SparseArray(np.random.randn(rows)),
"C": pd.arrays.SparseArray(
np.random.permutation([True, False] * (rows // 2))
),
}
)
y = pd.Series(pd.arrays.SparseArray(np.random.randn(rows)))
def verify_pandas_sparse():
dtrain = xgb.DMatrix(X, y, data_split_mode=DataSplitMode.COL)
booster = xgb.train({}, dtrain, num_boost_round=4)
predt_sparse = booster.predict(
xgb.DMatrix(X, data_split_mode=DataSplitMode.COL)
)
predt_dense = booster.predict(
xgb.DMatrix(X.sparse.to_dense(), data_split_mode=DataSplitMode.COL)
)
np.testing.assert_allclose(predt_sparse, predt_dense)
tm.run_with_rabit(world_size=3, test_fn=verify_pandas_sparse)
@pytest.mark.skipif(tm.is_windows(), reason="Rabit does not run on windows")
def test_pandas_label_column_split(self):
tm.run_with_rabit(
world_size=3,
test_fn=self.test_pandas_label,
data_split_mode=DataSplitMode.COL,
)
@pytest.mark.skipif(tm.is_windows(), reason="Rabit does not run on windows")
def test_pandas_weight_column_split(self):
tm.run_with_rabit(
world_size=3,
test_fn=self.test_pandas_weight,
data_split_mode=DataSplitMode.COL,
)