Questions tagged [anova]
The anova tag has no usage guidance.
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Feature selection: ANOVA between features vs within a feature
I am currently performing feature selection on a dataset containing continuous and categorical features. The target is a continuous variable.
If I understand properly, ANOVA can be used between ...
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How to check for correlations using ANOVA between the selected feature columns and the target feature column
Suppose I have a set of feature columns that I select to check for correlations with the target feature 'is_Star'; which is of binary values and the former consists of numeric values
Why do i end up ...
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Hyunh-Feldt vs Growth Curve Analysis
Are there cases where the Hyunh Feldt and Greenhouse Geisser correction F tests are less conservative than the Conservative Growth Curve approach for ANOVA analysis?
The textbook Design of Experiments ...
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Why do you need more subjects than levels in RM ANOVA?
Honestly, I'm hoping I even asked this question appropriately. It's one of those things I never quite grasped, but just accepted to be true, that when running a within-subjects ANOVA, you have to have ...
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Statistical significance on aggregate data to show that the groups are different?
I am working with performance data for three groups for each region. The denominator for the groups is the number of people who are identified as low performers. For region A, Group-1 low performer %= ...
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Are Chi-square and ANOVA (f_classif) to select best features?
I have a binary classification problem (target 0 o 1), I have both variables continuous and categorical as features. I understood that about Chi-square i can use only categorical features to evaluate ...
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What model should I use to predict monthly sales by products?
I am trying to predict monthly sales by product based on a plethora of variables. There are 4 predictors. One is categorical (month) and the other three are numerical. One of the variables is just ...
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Score of ANOVA in selected features
I selected features using ANOVA (because I have Numerical data as input and Categorical data as target):
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Levene test for equal variance
I would like to run one-way ANOVA test on my data. I saw that one of several assumptions for one-way ANOVA is that there needs to be homogeneity of variances. I have run the test for different data-...
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What conclusion can I get when the variable is influenced by other but there isn't any correlation?
I am doing an analytic exploratory analysis.
If the target is a continuous variable and the attributes are all categorical (discrete values), in order to know if exist any influence on the target from ...
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When should mutual information be used for feature selection over other feature selection methods like correlation, ANOVA , etc?
I have a data set with categorical and continuous/ordinal explanatory variables and continuous target variable. I tried to filter features using one-way ANOVA for categorical variables and using ...
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pass variable length argument to mstats.kruskalwallis
I am trying to run kruskawallis test on multiple columns of my data for that i wrote an function
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What does it mean to have 1 degree of freedom in ANOVA test?
So I used python to run multi-factorial ANOVA analysis on a data set. I first used a ols.fit() and then the anova_lm function. I realized for the variables I am analyzing their degree of freedom is 1. ...
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Question on ANOVA and Correlation/Association
I've been working on examining statistical relationships between variable:
Pearsons, Spearman's for continuous variables
Kendall's Tau, Cramer's V for ordinal/nominal variables.
I know there's many ...
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