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Methods defined here:
- __init__(self, data=None, exclude=None, data_order_column=None)
- DESCRIPTION:
AntiSelect returns all columns except those specified in the
exclude argument.
Note: This function is only available when teradataml is connected
to Vantage 1.1 or later versions.
PARAMETERS:
data:
Required Argument.
Specifies the name of the teradataml DataFrame.
exclude:
Required Argument.
Specifies the names of the columns not to return.
Types: str OR list of Strings (str)
data_order_column:
Optional Argument.
Specifies Order By columns for data.
Values to this argument can be provided as a list, if multiple
columns are used for ordering.
Types: str OR list of Strings (str)
RETURNS:
Instance of Antiselect.
Output teradataml DataFrames can be accessed using attribute
references, such as AntiselectObj.<attribute_name>.
Output teradataml DataFrame attribute name is:
result
RAISES:
TeradataMlException
EXAMPLES:
# Load the data to run the example.
load_example_data("antiselect", "antiselect_input")
# Create teradataml DataFrame objects.
antiselect_input = DataFrame.from_table("antiselect_input")
# Example1 - Fetching all columns except the columns 'rowids' and
# 'orderdate'.
antiselect_out = Antiselect(data=antiselect_input,
exclude=['rowids','orderdate'])
# Print the results.
print(antiselect_out.result)
- __repr__(self)
- Returns the string representation for a Antiselect class instance.
- get_build_time(self)
- Function to return the build time of the algorithm in seconds.
When model object is created using retrieve_model(), then the value returned is
as saved in the Model Catalog.
- get_prediction_type(self)
- Function to return the Prediction type of the algorithm.
When model object is created using retrieve_model(), then the value returned is
as saved in the Model Catalog.
- get_target_column(self)
- Function to return the Target Column of the algorithm.
When model object is created using retrieve_model(), then the value returned is
as saved in the Model Catalog.
- show_query(self)
- Function to return the underlying SQL query.
When model object is created using retrieve_model(), then None is returned.
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