本文整理汇总了Python中pandas.compat.iterkeys方法的典型用法代码示例。如果您正苦于以下问题：Python compat.iterkeys方法的具体用法？Python compat.iterkeys怎么用？Python compat.iterkeys使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pandas.compat的用法示例。
在下文中一共展示了compat.iterkeys方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_missing_value_conversion
# 需要导入模块: from pandas import compat [as 别名]
# 或者: from pandas.compat import iterkeys [as 别名]
def test_missing_value_conversion(self, file):
columns = ['int8_', 'int16_', 'int32_', 'float32_', 'float64_']
smv = StataMissingValue(101)
keys = [key for key in iterkeys(smv.MISSING_VALUES)]
keys.sort()
data = []
for i in range(27):
row = [StataMissingValue(keys[i + (j * 27)]) for j in range(5)]
data.append(row)
expected = DataFrame(data, columns=columns)
parsed = read_stata(getattr(self, file), convert_missing=True)
tm.assert_frame_equal(parsed, expected) 示例2: _do_convert_categoricals
# 需要导入模块: from pandas import compat [as 别名]
# 或者: from pandas.compat import iterkeys [as 别名]
def _do_convert_categoricals(self, data, value_label_dict, lbllist,
order_categoricals):
"""
Converts categorical columns to Categorical type.
"""
value_labels = list(compat.iterkeys(value_label_dict))
cat_converted_data = []
for col, label in zip(data, lbllist):
if label in value_labels:
# Explicit call with ordered=True
cat_data = Categorical(data[col], ordered=order_categoricals)
categories = []
for category in cat_data.categories:
if category in value_label_dict[label]:
categories.append(value_label_dict[label][category])
else:
categories.append(category) # Partially labeled
try:
cat_data.categories = categories
except ValueError:
vc = Series(categories).value_counts()
repeats = list(vc.index[vc > 1])
repeats = '\n' + '-' * 80 + '\n'.join(repeats)
raise ValueError('Value labels for column {col} are not '
'unique. The repeated labels are:\n'
'{repeats}'
.format(col=col, repeats=repeats))
# TODO: is the next line needed above in the data(...) method?
cat_data = Series(cat_data, index=data.index)
cat_converted_data.append((col, cat_data))
else:
cat_converted_data.append((col, data[col]))
data = DataFrame.from_dict(OrderedDict(cat_converted_data))
return data 示例3: _do_convert_categoricals
# 需要导入模块: from pandas import compat [as 别名]
# 或者: from pandas.compat import iterkeys [as 别名]
def _do_convert_categoricals(self, data, value_label_dict, lbllist,
order_categoricals):
"""
Converts categorical columns to Categorical type.
"""
value_labels = list(compat.iterkeys(value_label_dict))
cat_converted_data = []
for col, label in zip(data, lbllist):
if label in value_labels:
# Explicit call with ordered=True
cat_data = Categorical(data[col], ordered=order_categoricals)
categories = []
for category in cat_data.categories:
if category in value_label_dict[label]:
categories.append(value_label_dict[label][category])
else:
categories.append(category) # Partially labeled
try:
cat_data.categories = categories
except ValueError:
vc = Series(categories).value_counts()
repeats = list(vc.index[vc > 1])
repeats = '\n' + '-' * 80 + '\n'.join(repeats)
msg = 'Value labels for column {0} are not unique. The ' \
'repeated labels are:\n{1}'.format(col, repeats)
raise ValueError(msg)
# TODO: is the next line needed above in the data(...) method?
cat_data = Series(cat_data, index=data.index)
cat_converted_data.append((col, cat_data))
else:
cat_converted_data.append((col, data[col]))
data = DataFrame.from_dict(OrderedDict(cat_converted_data))
return data 示例4: to_pickle
# 需要导入模块: from pandas import compat [as 别名]
# 或者: from pandas.compat import iterkeys [as 别名]
def to_pickle(dates, path):
rules = []
keys = sorted(compat.iterkeys(dates))
for dt in keys:
name = dates[dt]
h = holiday.Holiday(
name, dt.year, month=dt.month, day=dt.day)
rules.append(h)
with open(path, mode='wb') as w:
compat.cPickle.dump(rules, w, protocol=2)
print('pickled {0} data'.format(len(dates))) 示例5: _do_convert_categoricals
# 需要导入模块: from pandas import compat [as 别名]
# 或者: from pandas.compat import iterkeys [as 别名]
def _do_convert_categoricals(self, data, value_label_dict, lbllist,
order_categoricals):
"""
Converts categorical columns to Categorical type.
"""
value_labels = list(compat.iterkeys(value_label_dict))
cat_converted_data = []
for col, label in zip(data, lbllist):
if label in value_labels:
# Explicit call with ordered=True
cat_data = Categorical(data[col], ordered=order_categoricals)
categories = []
for category in cat_data.categories:
if category in value_label_dict[label]:
categories.append(value_label_dict[label][category])
else:
categories.append(category) # Partially labeled
try:
cat_data.categories = categories
except ValueError:
vc = Series(categories).value_counts()
repeats = list(vc.index[vc > 1])
repeats = '\n' + '-' * 80 + '\n'.join(repeats)
msg = 'Value labels for column {0} are not unique. The ' \
'repeated labels are:\n{1}'.format(col, repeats)
raise ValueError(msg)
# TODO: is the next line needed above in the data(...) method?
cat_data = Series(cat_data, index=data.index)
cat_converted_data.append((col, cat_data))
else:
cat_converted_data.append((col, data[col]))
data = DataFrame.from_items(cat_converted_data)
return data