Sumários
Class 10
18 Setembro 2024, 11:00 • Graça Trindade
How to transform variables:
Recode and Compute.
Use of Cronbach' alpha coefficient as a reliability measure.
Class 9
16 Setembro 2024, 14:30 • Graça Trindade
Exercise 1:
Interpretation of the different percentages from a contingency table (double entry table): row percentages, column percentages, and percentages from the total.
Interpretation of the value for the Cramer's V coefficient.
Class 8
16 Setembro 2024, 13:00 • Graça Trindade
Resolution of Exercise 1.
Use of the command Select cases.
How to get several statistical measures for univariate and bivariate data analysis
Interpretation of some descriptive statistics: median, standard deviation, 5% trimmed mean.
Class 7
16 Setembro 2024, 11:00 • Graça Trindade
Class online: Reviews of bivariate Data Analysis
1) For two nominal variables:
Crosstabulation (table), boxplot, Cramer's V coefficient.
2) For two ordinal variables:
Spearman's coefficient
3) For two quantitative variables
Pearson's coefficient
Note: How to rank the values of quantitative variables
Class 6
11 Setembro 2024, 14:30 • Graça Trindade
Data quality
1) Missing cases
1.3 When the missing cases are MAR type:
Imputation method through the Automatic and Custom methods.