Evidence Based Medicine pills
Evidence Based Medicine pills
Regression model diagnostics. Once we obtain the simple linear regression model, we have to proceed to its validation and to the diagnosis of the model. The first case consists of checking that the coefficients are statistically significant. The second is…
Simple correlation. Correlation is defined as the strength and sense of association between two random variables. Some of the most widely used correlation coefficients are described, such as Pearson’s correlation coefficient, Spearman’s correlation coefficient, and Kendall’s tau coefficient.
The least squared method. The least squares method calculates the coefficients of the regression lines to obtain the one that is closest, on average, to all the points.
Calculation of NNT in meta-analysis. The calculation of NNT (number needed to treat) in meta-analysis is described using RR and OR, which are more robust against variability in baseline risk.