Data preparation - Forms of Input Data
3 important questions on Data preparation - Forms of Input Data
When are raw data files required?
When non-normal data are analyzed with an estimation that assumes normality but the test-statistics correct for non-normality. Important: COMPLETE data sets are required!
What are the two types of summaries of raw data when means are not analyzed?
1. Correlation matrices with standard deviations
2. Covariances matrices
2. Covariances matrices
What is the lower diagonal form?
A matrices table in which only the unique values of correlations and covariances are reported in the lower-left-hand side of the matrix.
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