[Gretl-announce] gretl 2019c released

See http://gretl.sourceforge.net/ 2019-07-02 version 2019c - Fix bug: "dataset sortby" not handling missing values correctly on MS Windows - Fix bug: possible crash on using the "fcast" command for out-of-sample forecasting after estimation of a VAR - Fix bug: typeof() function not working correctly for string objects inside bundles and arrays - Fix bug: robust variant of "chow" failing in case of exact collinearity in the augmented regression - New function fzero(): find a root of a nonlinear function - New function conv2d(): 2-dimensional convolution of two matrices - New function flatten(): reduce array of matrices to single matrix or array of strings to single string - New function msplitby(): split a matrix into an array of matrices - "gnuplot" and "plot": add support for scriptable "recession bars" - GUI plot editor: try to ensure that choice of font carries over in copying a plot to the clipboard - svm() function: add support for ordinal data, plus small interface improvements - mread() function: enable reading of delimited text matrix files, non-conformant with the mwrite() format - sscanf() function: support conversion of an array of numeric strings to a column vector - GUI model table: show up to three "significance" stars - Remove the deprecated function isstring() -- Allin Cottrell Department of Economics Wake Forest University