DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Predicting if a patient has diabetes or not based on historical medical records
|
|
|
Predicting if a user would like to listen to a newly released song or not based on historical data
|
|
|
Predicting the conrmation probability (in fraction) of your train ticket whose current status is waiting list based on historical data
|
|
|
None of the above
|
Detailed explanation-1: -The task of the regression algorithm is to map the input value (x) with the continuous output variable(y). The task of the classification algorithm is to map the input value(x) with the discrete output variable(y). Regression Algorithms are used with continuous data.
Detailed explanation-2: -Use Regression to Analyze a Wide Variety of Relationships Model multiple independent variables. Include continuous and categorical variables. Use polynomial terms to model curvature. Assess interaction terms to determine whether the effect of one independent variable depends on the value of another variable.
Detailed explanation-3: -The regression task from the list of options is the prediction of monthly sales of a cloth store in rupees. Explanation: Regression task is one which calculates the growth some quantities over a particular period of time.