Álgebra y regresión lineal

Quiz
•
Science
•
University
•
Hard
Jessica Borja
Used 21+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se tiene información sobre el riesgo de incidencia de hospitalización para 1000 pacientes, donde se consideran 24 factores en el cálculo de riesgo. ¿De qué tamaño sería la matriz de datos en notación aumentada?
1000 x 24
24 x 1000
1000 x 25
1000 x 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 x 5
1 x 4
4 x 1
5 x 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Regresión lineal SOLO se puede resolver usando mínimos cuadrados
verdadero
falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La función de mínimos cuadrados es convexa y continuamente diferenciable
verdadero
falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Regresión lineal con el penalizador L1 (Lasso regression) tiene solución analítica
verdadero
falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[2, 4]
[2]
[4]
[4, 2]
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Si se tiene un modelo w=[-1, 2] y un datapoint x=3 considerando el primer elemento como sesgo, ¿Cual sería la predicción de regresión lineal?
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