| calcular_correlaciones | Correlation Matrix of a Range of Columns |
| calcular_porcentajes | Frequencies and Percentages of Categorical Variables |
| calculate_descriptives | Descriptive Statistics of a Range of Columns |
| calcula_omega_all | Omega Reliability of Several Factors |
| Calcule_Comparative | Compare Two Groups with Welch's t Test and Cohen's d |
| carreras_peruanas | Catalog of Peruvian University Degrees |
| clean_edad | Clean Age Strings into Fractional Years |
| convert_age_to_years | Convert Age Strings to Numeric Years |
| convert_age_to_years_months | Convert Age Strings with Years and Months to Numeric Years |
| convert_to_expresions | Format Likert Response Options as a Single String |
| Correct_category | Recode Specified Values in Selected Columns |
| detect_expression_Likert | Detect Likert Response Options and Assign Scores |
| diag_aba_na | Lower Triangular Format for a Correlation Matrix |
| edad_stat | Summary Statistics of an Age Column |
| epsilon_cuadrado_kruskal | Kruskal-Wallis Test with Epsilon Squared |
| extract_items | Extract the Items of Each Factor from Text Lines |
| Fiabilidad | Omega Reliability of One Factor |
| generate_and_apply | Add the Sum Score of Each Factor to a Data Frame |
| generate_code | Generate dplyr Code that Adds Factor Sum Scores |
| grafico_boxplots | Boxplots of Several Variables |
| mardia_test | Mardia's Test of Multivariate Normality |
| Multivariate_plot | Q-Q Plot of Mahalanobis Distances with Mardia's Coefficients |
| normality_test_SW | Shapiro-Wilk Normality Test for Several Variables |
| normalize_carreras | Normalize Peruvian University Degree Names |
| normalize_ciclo | Normalize the Academic Term (Ciclo) to an Integer |
| normalize_tiempo_relacion | Normalize the Length of a Relationship to Months |
| normalize_universidades | Normalize Peruvian University Names to Their Acronyms |
| process_likert_blocks | Detect and Score Several Blocks of Likert Items |
| remplace_alternative_response | Replace Likert Text Responses with Their Scores |
| rename_columns | Rename Columns by Position |
| rename_items2 | Rename a Block of Item Columns with Two Prefixes |
| rename_items3 | Rename a Block of Item Columns with Three Prefixes |
| rename_items_only | Rename a Block of Item Columns with One Prefix |
| universidades_peruanas | Catalog of Peruvian Universities |
| u_mann_whitney_superioridad | Mann-Whitney U Test with the Probability of Superiority |
| validation_categoria | Unique Values of Several Columns |