Create functions that for the provided matrix / data.frame:
Return a matrix of measures association, calculated correctly for each variable in the data (e.g. Pearson's correlations for metric variables and Phi for nominal etc),
Return a mixture of scatter plots and boxplots depending on the types of variables (e.g. scatter for metric scales and boxplots for the metrics vs categorical).
Create functions that for the provided matrix / data.frame:
This should help in the analysis of data.