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  • December 11, 2020Helpful tips

    What does it mean to control for age?

    What does it mean to control for age? “Controlling” for a variable means adding it to the model so its effect on your outcome variable(s)…

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  • December 11, 2020Popular

    Is logistic regression A study design?

    Is logistic regression A study design? Logistic regression is a statistical technique used in research designs that call for analyzing the relationship of an outcome…

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  • December 11, 2020Contributing

    Is z-score of 2 Extreme?

    Is z-score of 2 Extreme? Remember, z = 0 is in the center (at the mean), and the extreme tails correspond to z-scores of approximately…

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  • December 11, 2020Blog

    Does LDA work with categorical variables?

    Does LDA work with categorical variables? LDA works on continuous variables. If the classification task includes categorical variables, the equivalent technique is called the discriminant…

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  • December 11, 2020Helpful tips

    Is Mann Whitney test two tailed?

    Is Mann Whitney test two tailed? The Mann-Whitney U test null hypothesis (H0) stipulates that the two groups come from the same population. (two-tailed test)…

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  • December 11, 2020Helpful tips

    How do you get rid of Heteroscedasticity?

    How do you get rid of Heteroscedasticity? Weighted regression The idea is to give small weights to observations associated with higher variances to shrink their…

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  • December 11, 2020Popular

    Is factor analysis a type of SEM?

    Is factor analysis a type of SEM? First Steps in Structural Equation Modeling: Confirmatory Factor Analysis. Confirmatory factor analysis (CFA) is the fundamental first step…

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  • December 11, 2020Guidelines

    How do you handle missing data in Anova?

    How do you handle missing data in Anova? One of the most effective ways of dealing with missing data is multiple imputation (MI). Using MI,…

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  • December 11, 2020Contributing

    What is p-chart in quality control?

    What is p-chart in quality control? In statistical quality control, the p-chart is a type of control chart used to monitor the proportion of nonconforming…

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  • December 11, 2020Popular

    What is a true null hypothesis?

    What is a true null hypothesis? A null hypothesis is a type of hypothesis used in statistics that proposes that there is no difference between…

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