Gretl Changelog

New in version 1.8.7

March 4th, 2010
  • GUI enhancement: add apparatus to help keep track of gretl windows
  • GUI menus: clean-up and consolidation
  • New command: "qqplot" (Quantile-Quantile plots)
  • Normal random samples: implement the Ziggurat method
  • "dataset" command: document the "clear" keyword
  • "rmplot" command: save $test and $pvalue
  • "restrict" with --bootstrap option: record $test and $pvalue
  • "corrgm" and "xcorrgm": allow the lag order to be given as a named scalar variable
  • VECMs: add $ec accessor
  • VARs: remove $vcv accessor
  • VARs and VECMs: enable accessors $df, $ncoeff and $xtxinv
  • BFGSmax function: add facility for supplying analytical derivatives
  • Eviews data importer: handle more cases of .wf1 files
  • BFGS: make the degree of verbosity tunable via "set bfgs_verbskip"
  • Fix bug: crash on error in user_matrix_ols()
  • Fix bug: "append" for data should work in more cases
  • Fix bug: saving a model when there is already a saved model of the same name (in the GUI) caused a crash
  • Fix bug: setting of sub-sample information on models estimated with a loop construct
  • Fix bug: the GUI option for reporting standardized residuals for GARCH models got broken
  • Fix bug: handling of on-the-fly matrices in "printf"
  • Fix bugs: miscellaneous small GUI bugs
  • Fix bugs 2918790, 2918783, 2918775, 2917053

New in version 1.8.0 (March 27th, 2009)

  • Fix bug: crash in "Add random variable" dialog
  • Translation fixes
  • Add new command: "modprint"
  • Remove obsolete commands: "rhodiff" and "hccm"
  • Speed-ups for the pdf() function as applied to a series argument
  • New option --numeric for the nls and mle commands, to force the use of numerical derivatives
  • Numerous small graphing and GUI fixes
  • MS Windows: fix for opening graphs in old session files
  • Graphs: "display PDF" option: fix possible encoding issue
  • GUI graph controller: new facility to add a line, defined via a formula, to an existing graph
  • GUI graph controller: add facility to choose point style
  • Gnuplot line-color selector: extend to 6 colors, and distinguish between setting the "palette" and setting ad hoc colors for a specific graph
  • Scalars: make these accessible via the icon view window; enable copying to clipboard as CSV; enable entry of a formula (starting with "=") in scalar-editing window
  • Fix encoding issue when copying to clipboard as plain text or RTF
  • Boxplots: hand the production of these over to gnuplot
  • New function: urcpval(), gives user access to James MacKinnon's p-values for unit root and cointegration test statistics (tau)
  • New function: mpols(), enables multiple-precision OLS for user-defined matrices
  • New function: toepsolv(), solves a Toeplitz system of linear equations
  • New function: mcovg(), matrix covariogram
  • Improve error-reporting in relation to GUI genr dialog
  • Make parsing of input from GUI ARMA dialog more robust
  • New feature: add importer for SPSS .sav files
  • CSV importer: try to handle time-series data in reverse chronological order
  • "fcast": allow variables for the startobs and endobs arguments; add "rolling" k-step-ahead option
  • Fix bug in ADF --verbose printout (wrong p-value shown for one lagged difference in some cases)
  • GUI plot editor: translate the gnuplot style strings
  • Switch to more compact tabular form for presenting model statistics
  • OLS and fixed effects: add option to calculate p-value for the Durbin-Watson statistic
  • Add accessors $Fstat and $chisq for the overall F-statistic or chi-square test from the last model
  • Make the "restrict" command available for nls, mle and gmm
  • Improve forecasting options for nls models
  • Add model menu item: "Modify model", under the Edit menu, provides a clone of the model specification
  • Loops: allow the "gnuplot" command, operating strictly in batch mode
  • New command "intreg": implements interval regression
  • Several updates to the documentation
  • Fix bugs 2042328, 2472732, 2510727, 2510759