本文整理汇总了Python中Orange.data.Table.checksum方法的典型用法代码示例。如果您正苦于以下问题：Python Table.checksum方法的具体用法？Python Table.checksum怎么用？Python Table.checksum使用的例子？那么恭喜您, 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Orange.data.Table的用法示例。
在下文中一共展示了Table.checksum方法的4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: set_data
# 需要导入模块: from Orange.data import Table [as 别名]
# 或者: from Orange.data.Table import checksum [as 别名]
def set_data(self, data):
self.information(1)
if isinstance(data, SqlTable):
if data.approx_len() < 4000:
data = Table(data)
else:
self.information(1, "Data has been sampled")
data_sample = data.sample_time(1, no_cache=True)
data_sample.download_data(2000, partial=True)
data = Table(data_sample)
if data is not None and (len(data) == 0 or len(data.domain) == 0):
data = None
if self.data and data and self.data.checksum() == data.checksum():
return
self.closeContext()
same_domain = \
self.data and data and \
data.domain.checksum() == self.data.domain.checksum()
self.data = data
self.data_metas_X = self.move_primitive_metas_to_X(data)
# TODO: adapt scatter plot to work on SqlTables (avoid use of X and Y)
if isinstance(self.data, SqlTable):
self.data.download_data()
if not same_domain:
self.init_attr_values()
self.vizrank._initialize()
self.vizrank_button.setEnabled(
self.data is not None and self.data.domain.class_var is not None
and len(self.data.domain.attributes) > 1)
self.openContext(self.data)示例2: set_data
# 需要导入模块: from Orange.data import Table [as 别名]
# 或者: from Orange.data.Table import checksum [as 别名]
def set_data(self, data):
self.information(1)
self.__timer.stop()
self.sampling.setVisible(False)
self.sql_data = None
if isinstance(data, SqlTable):
if data.approx_len() < 4000:
data = Table(data)
else:
self.information(1, "Large SQL table (showing a sample)")
self.sql_data = data
data_sample = data.sample_time(0.8, no_cache=True)
data_sample.download_data(2000, partial=True)
data = Table(data_sample)
self.sampling.setVisible(True)
if self.auto_sample:
self.__timer.start()
if data is not None and (len(data) == 0 or len(data.domain) == 0):
data = None
if self.data and data and self.data.checksum() == data.checksum():
return
self.closeContext()
same_domain = self.data and data and data.domain.checksum() == self.data.domain.checksum()
self.data = data
self.data_metas_X = self.move_primitive_metas_to_X(data)
if not same_domain:
self.init_attr_values()
self.vizrank._initialize()
self.vizrank_button.setEnabled(
self.data is not None and self.data.domain.class_var is not None and len(self.data.domain.attributes) > 1
)
self.openContext(self.data)示例3: set_data
# 需要导入模块: from Orange.data import Table [as 别名]
# 或者: from Orange.data.Table import checksum [as 别名]
def set_data(self, data):
self.clear_messages()
self.Information.sampled_sql.clear()
self.__timer.stop()
self.sampling.setVisible(False)
self.sql_data = None
if isinstance(data, SqlTable):
if data.approx_len() < 4000:
data = Table(data)
else:
self.Information.sampled_sql()
self.sql_data = data
data_sample = data.sample_time(0.8, no_cache=True)
data_sample.download_data(2000, partial=True)
data = Table(data_sample)
self.sampling.setVisible(True)
if self.auto_sample:
self.__timer.start()
if data is not None and (len(data) == 0 or len(data.domain) == 0):
data = None
if self.data and data and self.data.checksum() == data.checksum():
return
self.closeContext()
same_domain = (self.data and data and
data.domain.checksum() == self.data.domain.checksum())
self.data = data
if not same_domain:
self.init_attr_values()
self.openContext(self.data)
self._vizrank_color_change()
def findvar(name, iterable):
"""Find a Orange.data.Variable in `iterable` by name"""
for el in iterable:
if isinstance(el, Orange.data.Variable) and el.name == name:
return el
return None
# handle restored settings from < 3.3.9 when attr_* were stored
# by name
if isinstance(self.attr_x, str):
self.attr_x = findvar(self.attr_x, self.xy_model)
if isinstance(self.attr_y, str):
self.attr_y = findvar(self.attr_y, self.xy_model)
if isinstance(self.graph.attr_label, str):
self.graph.attr_label = findvar(
self.graph.attr_label, self.graph.gui.label_model)
if isinstance(self.graph.attr_color, str):
self.graph.attr_color = findvar(
self.graph.attr_color, self.graph.gui.color_model)
if isinstance(self.graph.attr_shape, str):
self.graph.attr_shape = findvar(
self.graph.attr_shape, self.graph.gui.shape_model)
if isinstance(self.graph.attr_size, str):
self.graph.attr_size = findvar(
self.graph.attr_size, self.graph.gui.size_model)示例4: set_data
# 需要导入模块: from Orange.data import Table [as 别名]
# 或者: from Orange.data.Table import checksum [as 别名]
def set_data(self, data):
self.clear_messages()
self.Information.sampled_sql.clear()
self.__timer.stop()
self.sampling.setVisible(False)
self.sql_data = None
if isinstance(data, SqlTable):
if data.approx_len() < 4000:
data = Table(data)
else:
self.Information.sampled_sql()
self.sql_data = data
data_sample = data.sample_time(0.8, no_cache=True)
data_sample.download_data(2000, partial=True)
data = Table(data_sample)
self.sampling.setVisible(True)
if self.auto_sample:
self.__timer.start()
if data is not None and (len(data) == 0 or len(data.domain) == 0):
data = None
if self.data and data and self.data.checksum() == data.checksum():
return
self.closeContext()
same_domain = (self.data and data and
data.domain.checksum() == self.data.domain.checksum())
self.data = data
self.data_metas_X = self.move_primitive_metas_to_X(data)
if not same_domain:
self.init_attr_values()
self.vizrank.initialize()
self.vizrank.attrs = self.data.domain.attributes if self.data is not None else []
self.vizrank_button.setEnabled(
self.data is not None and not self.data.is_sparse() and
self.data.domain.class_var is not None and
len(self.data.domain.attributes) > 1 and len(self.data) > 1)
if self.data is not None and self.data.domain.class_var is None \
and len(self.data.domain.attributes) > 1 and len(self.data) > 1:
self.vizrank_button.setToolTip(
"Data with a class variable is required.")
else:
self.vizrank_button.setToolTip("")
self.openContext(self.data)
def findvar(name, iterable):
"""Find a Orange.data.Variable in `iterable` by name"""
for el in iterable:
if isinstance(el, Orange.data.Variable) and el.name == name:
return el
return None
# handle restored settings from < 3.3.9 when attr_* were stored
# by name
if isinstance(self.attr_x, str):
self.attr_x = findvar(self.attr_x, self.xy_model)
if isinstance(self.attr_y, str):
self.attr_y = findvar(self.attr_y, self.xy_model)
if isinstance(self.graph.attr_label, str):
self.graph.attr_label = findvar(
self.graph.attr_label, self.graph.gui.label_model)
if isinstance(self.graph.attr_color, str):
self.graph.attr_color = findvar(
self.graph.attr_color, self.graph.gui.color_model)
if isinstance(self.graph.attr_shape, str):
self.graph.attr_shape = findvar(
self.graph.attr_shape, self.graph.gui.shape_model)
if isinstance(self.graph.attr_size, str):
self.graph.attr_size = findvar(
self.graph.attr_size, self.graph.gui.size_model)