Regression Analysis
(การวิเคราะห์การถดถอย)
Definition
Regression Analysis (การวิเคราะห์การถดถอย) Hard Skill
Regression Analysis is a statistical technique used to examine the relationship between dependent and independent variables, allowing prediction and forecasting based on data trends.
Expertise Level
Level 1
Basic
1. Understands the concept of dependent and independent variables.
2. Can perform simple linear regression using basic software tools.
3. Interprets regression output such as coefficients and R-squared values.
Level 2
Intermediate
1. Applies multiple regression techniques to analyze relationships involving several variables.
2. Checks model assumptions such as linearity, normality, and homoscedasticity.
3. Uses regression results to make informed predictions and identify significant predictors.
Level 3
Advanced
1. Designs and implements advanced regression models including logistic, polynomial, and ridge regressions.
2. Performs diagnostics and model selection to improve predictive accuracy.
3. Integrates regression analysis with other statistical and machine learning techniques for complex data modeling.
