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  1. regression - What does it mean to regress a variable against …

    Dec 4, 2014 · When we say, to regress Y Y against X X, do we mean that X X is the independent variable and Y the dependent variable? i.e. Y = aX + b Y = a X + b.

  2. Why are regression problems called "regression" problems?

    I was just wondering why regression problems are called "regression" problems. What is the story behind the name? One definition for regression: "Relapse to a less perfect or developed state."

  3. How to describe or visualize a multiple linear regression model

    I'm trying to fit a multiple linear regression model to my data with couple of input parameters, say 3.

  4. What is the lasso in regression analysis? - Cross Validated

    Oct 19, 2011 · LASSO regression is a type of regression analysis in which both variable selection and regulization occurs simultaneously. This method uses a penalty which affects they value …

  5. Sample size for logistic regression? - Cross Validated

    Sample size calculation for logistic regression is a complex problem, but based on the work of Peduzzi et al. (1996) the following guideline for a minimum number of cases to include in your …

  6. Transforming variables for multiple regression in R

    I am trying to perform a multiple regression in R. However, my dependent variable has the following plot: Here is a scatterplot matrix with all my variables (WAR is the dependent …

  7. When is it ok to remove the intercept in a linear regression model ...

    Hence, if the sum of squared errors is to be minimized, the constant must be chosen such that the mean of the errors is zero.) In a simple regression model, the constant represents the Y …

  8. Can I merge multiple linear regressions into one regression?

    Oct 3, 2021 · Although one can compute a single regression for all data points, if you include model assumptions such as i.i.d. normal errors, the model for all points combined can't be …

  9. Is R-squared equivalent to mean squared error for non-linear …

    Mar 28, 2023 · 2 As far to my knowledge r-squared should not be used in non-linear regression setup. Not only might the r2 be too high, but also the interpretation as the variance explained …

  10. Regression Models when the Covariates have many Zeros

    Nov 30, 2021 · Regression analysis accommodates situations where the explanatory variables/covariates can have any values, including zero. There is no particular model needed …