Clasificación no balanceada: técnicas y soluciones
Quiz
•
Computers
•
University
•
Hard
ALBERTO HILARIO
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál de las siguientes no es una solución para la clasificación de datos desequilibrados
Soluciones a nivel algorítmico
Soluciones a nivel de datos
Aprendizaje sensible al coste
Soluciones a nivel de las variables
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Los dos principales algoritmos de preprocesamiento son
Oversampling and MultiSampling
Undersamling and multisampling
Undersampling and oversampling
Undersampling, Oversampling y Multisampling
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Las técnicas de submuestreo se utilizan sobre todo con fines de limpieza
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Tomek-Links elimina las instancias negativas y positivas que se encuentran juntas
Verdadero
Falso
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
ENN elimina tanto los casos negativos como los positivos
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cómo funciona SMOTE?
Elimina las instancias mayoritarias cercanas a las minoritarias
Genera nuevas instancias por extrapolación
Genera nuevas instancias minoritarias y mayoritarias
Generates new minority instances by interpolation
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cuál NO es un inconveniente para SMOTE
Sobregeneralización
Problemas de alta dimensionalidad
Tasa de reequilibrio fija
Región de decisión minoritaria muy pequeña
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