Added Response Utilities

Added several convenience functions for surveys and minimum residual factor analysis

Under RyStats.survey

1. reverse_score: Reverse scores Likert-like responses
2. cronbach_alpha: Computes Cronbach's alpha for internal reliability
3. mcdonald_omega: Computes McDonald's omega for internal reliability

Under RyStats.factoranalysis

4. minres_factor_analysis

Pearson's Correlation

Added inferential tests for pearsons correlation

Logistic Regression and Mediation

Functions Added

Logisitic Regression

• logistic_regression

Mediation

• simple_mediation

Two-Way Anova and Linear Regression

Two Way Anova

• Implemented Two-Way ANOVA that has Type 1 / 2 / 3 analyses

Linear Regression

• Implemented linear regression

Test, ANOVA, and Post-Hoc

Added Inferential functions

• one_sample_ttest
• equal_variance_ttest
• unequal_variance_ttest
• repeated_ttest
• equal_variance_oneway_anova
• unequal_variance_oneway_anova
• repeated_oneway_anova
• tukey_posthoc
• games_howell_posthoc
• bonferonni_posthoc

Plotting Utilities

Added plotting functions including:

• correlation_image: show a heatmap of a correlation matrix
• loading_image: show a heatmap of a loadings matrix
• scree_plot: plot the eigenvalues for dimensionality assessment
• loading_table: create a table to view the loadings

Added Factor Analysis Functions

Added factor analysis functions:

• Principal Components
• Principal Axis
• Minimum Rank
• Maximum Likelihood
• Rotation

Added Dimensionality Assessment

• MAP
• Parallel Analysis