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 & Panels

  • Means, variances, minima, maxima, skewness, kurtosis
  • Autocorrelations
  • Normality tests
  • Order statistics
  • Cross tabulations
  • Quantiles
  • Discriminant analysis

Descriptive Statistics and Tools for Time Series

  • Unit root tests
  • Time series plots
  • KPSS test
  • Dickey-Fuller test
  • GARCH modeling
  • Spectral density estimator

Graphics Tools

  • Scatter plots
  • Bubble plots
  • Multiple scatter plots
  • Residual plots for linear regression
  • Hazard and survival functions
  • Histograms
  • Time series plots
  • Kernel density plots
  • Box and whisker plots
  • Normal-quantile plots
  • ROC curves for binary choice models
  • Partial effects
  • Model simulation