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  • December 11, 2020Blog

    How do you calculate a square error?

    How do you calculate a square error? General steps to calculate the MSE from a set of X and Y values: Find the regression line.…

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  • December 11, 2020Blog

    How is nested cross validation used in scikit-learn?

    How is nested cross validation used in scikit-learn? Nested Cross-Validation With Scikit-Learn It is common to evaluate machine learning models on a dataset using k-fold…

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  • December 11, 2020Contributing

    What is Heckman selection model?

    What is Heckman selection model? The Heckman (1976) selection model, sometimes called the Heckit model, is a method for estimating regression models which suffer from…

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  • December 11, 2020Popular

    How do you choose a final model after cross-validation?

    How do you choose a final model after cross-validation? Cross Validation is mainly used for the comparison of different models. For each model, you may…

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  • December 11, 2020Guidelines

    How do you know if a test is uniformly most powerful?

    How do you know if a test is uniformly most powerful? A test in class C, with power function β(θ), is a uniformly most powerful…

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  • December 11, 2020Guidelines

    How are linear mixed effects models used in neuroscience?

    How are linear mixed effects models used in neuroscience? Linear mixed-effects models (LMMs) are increasingly being used for data analysis in cognitive neuroscience and experimental…

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  • December 11, 2020Blog

    Is it possible to predict a white noise process?

    Is it possible to predict a white noise process? If a time series is white noise, it is a sequence of random numbers and cannot…

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  • December 11, 2020Miscellaneous

    Should you cluster standard errors when estimating ate at which level?

    Should you cluster standard errors when estimating ate at which level? Using that variance estimator may lead researchers to substantially overreject the null of no…

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  • December 11, 2020Contributing

    How do you find the relationship between categorical and continuous variables?

    How do you find the relationship between categorical and continuous variables? There are three big-picture methods to understand if a continuous and categorical are significantly…

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  • December 11, 2020Miscellaneous

    How do you standardize beta?

    How do you standardize beta? Despite the name, it isn’t actually the coefficients that get standardized, but the variables. Betas are calculated by subtracting the…

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