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  1. 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."

  2. regression - What does it mean to regress a variable against another ...

    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.

  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. When does SEM have little to no benefit over multiple regression, and ...

    Nov 17, 2023 · My question broadly is-- When is there little to no advantage of SEM over multiple regression, and when is this a distinction without much of a difference? Further, when is the added …

  5. regression - Trying to understand the fitted vs residual plot? - Cross ...

    Dec 23, 2016 · A good residual vs fitted plot has three characteristics: The residuals "bounce randomly" around the 0 line. This suggests that the assumption that the relationship is linear is reasonable. The …

  6. Why Isotonic Regression for Model Calibration?

    Jan 27, 2025 · It appears that isotonic regression is a popular method to calibrate models. I understand that isotonic guarantees a monotonically increasing or decreasing fit. However, if you can get a …

  7. 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 "correct" if the …

  8. In linear regression, when is it appropriate to use the log of an ...

    Aug 24, 2021 · This is because any regression coefficients involving the original variable - whether it is the dependent or the independent variable - will have a percentage point change interpretation.

  9. What's the difference between logistic regression and perceptron?

    Jul 20, 2015 · 4 You can use logistic regression to build a perceptron. The logistic regression uses logistic function to build the output from a given inputs. Logistic function produces a smooth output …

  10. Why is logistic regression a linear model? - Cross Validated

    Mar 3, 2014 · I want to know why logistic regression is called a linear model. It uses a sigmoid function, which is not linear. So why is logistic regression a linear model?