On Fri, 11 May 2018, Waldemar wrote: > Hello, > > I wanted a simple scatter plot in gretl. But an issue came up and I cannot > figure out a solution. I use gretl, Version 2018a in Windows 10 PC. > > Example 1 > <hansl> > matrix Y = {2, 3, 6, 4, 1}' > matrix X = {1, 3, 5, 4, 2}' > matrix A = Y ~ X > gnuplot 1 2 --matrix=A --output=display > </hansl> > > Example 1 works fine. A scatter plot is displayed. > > Example 2 > <hansl> > matrix Y = {2, 3, 6, 4, 1}‘ There's a syntax error in the line above: the last character on the line (left open quote or backwards apostrophe) is not meaningful to gretl. > matrix X2 = {4, 4, 4, 4, 4}' > matrix B = Y ~ X2 > gnuplot 1 2 --matrix=B --output=display > </hansl> > > There is no plot. I get only the following feedback: > > "C:\Program Files\gretl\wgnuplot.exe" > "C:\Users\Waldemar\AppData\Roaming\gretl\gpttmp.kxKHPP": > exit code 1 > > Fehler bei Skriptausführung: Stopp >> gnuplot 1 2 --matrix=B --output=Display > > After launching gnuplot, I cannot find the plot in my working directory. After the message above is emitted, that would not be expected. > I admit the plot does not make any sense, but gretl should give an output > anyway, right? Possibly, if it's supported by gnuplot. We'll take another look at this (after fixing the matrix-transpose symbol).