FraudDetectionFunctions.h File Reference

Implementation of various utility functions for machine learning. More...

#include <time.h>
#include <Eigen/Dense>
#include <chrono>
#include <cmath>
#include <ctime>
#include <iomanip>
#include <iostream>
#include <locale>
#include "velox/exec/tests/utils/AssertQueryBuilder.h"
#include "velox/exec/tests/utils/PlanBuilder.h"
#include "velox/exec/tests/utils/TempDirectoryPath.h"
#include "BaseFunction.h"
#include "velox/vector/tests/utils/VectorTestBase.h"

Go to the source code of this file.

Classes
class	IsWeekday
	Implements a function to check if a given timestamp corresponds to a weekday. More...
class	GetAge
	Implements a function to calculate the age based on the birth year. More...
class	GetTransactionFeatures
	Implements a function to extract features from transaction data. More...
class	GetCustomerFeatures
	Implements a function to extract features from customer data. More...
class	TimeDiffInDays
	Implements a function to calculate the difference in days between two timestamps. More...
class	DateToTimestamp
	Implements a function to convert a date string to a timestamp. More...
class	GetBinaryClass
	Implements a function to determine the binary class based on probabilities. More...

Functions
std::unordered_map< std::string, int >	getCountryMap ()
	Reads a file containing country mappings and returns an unordered_map.

Detailed Description

Implementation of various utility functions for machine learning.

Copyright

Copyright (c) 2025 ASU Cactus Lab. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Function Documentation

getCountryMap()

std::unordered_map< std::string, int > getCountryMap

(

)

Reads a file containing country mappings and returns an unordered_map.

Returns

An unordered_map mapping country names to their corresponding integer values.