Data Description and Graphics
Data description includes computation of statistics as well as graphical tools such as scatter plots and time plots.
Descriptive Statistics for Cross Sections and Panels
- Means, variances, minima, maxima, skewness, kurtosis
- Autocorrelations
- Normality tests
- Order statistics
- Cross tabulations
- Discriminant analysis
Descriptive Statistics and Tools for Time Series
- Unit root tests
- Time series plots
- KPSS test
- Dickey-Fuller test
- GARCH modeling
- Scatter plots
- Multiple scatter plots
- Residual plots for linear regression
- Hazard and survival functions
- Histograms
- Kernel density plots
- Box and whisker plots
- Normal-quantile plots
- ROC curves for binary choice models
- Contour plots
