Regression
ICSE · Class 11 · Artificial Intelligence
Flashcards for Regression — ICSE Class 11 Artificial Intelligence. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is regression analysis?
Answer
Regression analysis is a statistical method that helps analyze and understand the relationship between two or more variables of interest, such as dependent and independent variables. It is used to stu…
Who developed regression analysis, and when?
Answer
Regression analysis was developed by Sir Francis Galton in 1877. It was first used to measure the relationship of height between parents and their children.
What is the dependent variable in regression?
Answer
The dependent variable is the variable that is being understood or forecast. It is denoted by y and is also called the target variable or response variable. In regression, this variable must be contin…
What is the independent variable in regression?
Answer
The independent variable is the factor that influences the dependent variable. It is denoted by x and is also called the predictor. Independent variables can be continuous, nominal, or categorical.
Why is regression used in artificial intelligence and data analysis?
Answer
Regression is used to predict continuous variables such as market trends, house prices, and weather. It helps find a mapping function that connects the input variable x to the continuous output variab…
What is the main condition for using regression on the dependent variable?
Answer
Regression is basically performed when the dependent variable is of a continuous data type. This is why regression is useful for quantities that can be measured on a scale, such as price, score, or te…
What are the two main factors that make regression techniques different from each other?
Answer
Regression techniques differ based on the number of independent variables and the type of relationship between the dependent and independent variable. These two factors decide which regression model i…
What is simple linear regression?
Answer
Simple linear regression is a type of regression that models the relationship between one independent variable and one dependent variable using a linear equation. It assumes a straight-line relationsh…
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