Residuals management
Residuals. The calculation of the residuals of a contingency table is shown, using the observed and expected values.
Evidence Based Medicine pills
Evidence Based Medicine pills
Residuals. The calculation of the residuals of a contingency table is shown, using the observed and expected values.
Prediction intervals. Other intervals less known than the confidence interval are described, such as the prediction intervals and the tolerance intervals.
Clinical relevance. We describe how the clinical relevance of the results of a study should be assessed, without being limited only to their statistical significance.
Hypothesis testing. The two types of errors that can be made in a hypothesis testing are described: type I (false positive) and type II (false negative).
Obfuscation factor. Obfuscation factor helps us, when conducting a survey, to assess the bias that can be caused by false answers o lies.