ISYE 6414 - UNIT 3 PART 2 EXAM 2024 WITH 100% ACCURATE SOLUTIONS
8 vistas 0 veces vendidas
Grado
ISYE 6414
Institución
ISYE 6414
ISYE 6414 - UNIT 3 PART 2 EXAM 2024 WITH 100% ACCURATE SOLUTIONS
Ace Your Exams with YANCHYSTUVIA!
Are exams, assignments, and projects stressing you out? Say goodbye to academic anxiety with Yanchy – your ultimate online study buddy!
Why Choose Yanchy?
Expert Test Prep: Get acces...
ISYE 6414 - UNIT 3 PART 2 EXAM 2024 WITH 100% ACCURATE SOLUTIONS
What are the 4 assumptions of MLR? - Precise Answer ✔✔Linearity, Constant Variance, Independence, Normality
Do the estimated residuals have constant variance? - Precise Answer ✔✔No
Do the error terms have constant variance? - Precise Answer ✔✔Yes
To use the estimated residuals for assessing model assumptions, what do we need to do first? - Precise Answer ✔✔We need to standardize them
Plotting the residuals versus each predictor checks for which assumption? - Precise Answer ✔✔Linearity
Plotting the residuals versus fitted values checks for which assumption? - Precise Answer ✔✔Constant variance & Independence What does the QQ plot and histogram check for? - Precise Answer ✔✔Normality
Do we evaluate normality using residuals or the response variable? - Precise Answer ✔✔residuals
What are three ways we can transform the predicting variables? - Precise Answer ✔✔Power, Log, Polynomial transformations
What can we do if the Normality or Constant Variance assumption does not hold? - Precise Answer ✔✔We would transform the response variable. A common transformation is the Box-Cox transformation.
Box-cox transformation - Precise Answer ✔✔A common transformation is the power transformation y to the lambda used to improve the normality and/or constant variance assumption.
Outlier - Precise Answer ✔✔Any data point that is far from the majority from the data in both x and y
Los beneficios de comprar resúmenes en Stuvia estan en línea:
Garantiza la calidad de los comentarios
Compradores de Stuvia evaluaron más de 700.000 resúmenes. Así estas seguro que compras los mejores documentos!
Compra fácil y rápido
Puedes pagar rápidamente y en una vez con iDeal, tarjeta de crédito o con tu crédito de Stuvia. Sin tener que hacerte miembro.
Enfócate en lo más importante
Tus compañeros escriben los resúmenes. Por eso tienes la seguridad que tienes un resumen actual y confiable.
Así llegas a la conclusión rapidamente!
Preguntas frecuentes
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
100% de satisfacción garantizada: ¿Cómo funciona?
Nuestra garantía de satisfacción le asegura que siempre encontrará un documento de estudio a tu medida. Tu rellenas un formulario y nuestro equipo de atención al cliente se encarga del resto.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller YANCHY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for 11,82 €. You're not tied to anything after your purchase.
