update

Quite a number of changes have made their way into ADAMS since the last post...

Libaries

• MEKA upgraded to 1.7.5 (module: adams-meka)

• WekaExcel upgraded to 1.0.5 (module: adams-weka) ExcelLoader always omitted last row in spreadsheets

Fixes

• Weka Explorer plugins FixedClassifierErrorPlot, ThresholdCurve now free up memory when the dialog gets closed

• SpreadSheetColumnRange/Index sometimes failed in conjunction with variables

• WhileLoop control actor did not re-apply variables once the looping started, ie conditions couldn't use variables that got updated within the loop

Extensions

• the adams-heatmap module received a fair number of changes:

  • heatmaps no longer have the restriction of having a minimum of 0

  • heatmap filters are now prefixed with "Heatmap" to avoid name clashes

  • HeatmapInfo transformer for outputting some info about a heatmap

  • added number of feature generators

  • removed instance generators (and adams-weka dependency)

• Weka filter "Scale" (unsupervised/instance) allows you to scale the values of a row eg to interval 0 to 1

• any spreadsheet table should now allow you to not only display a histogram of a row/column, but also simply plot the row/column values

• math/boolean expressions now offer additional functions: cbrt (cube root), sinh, cosh, tanh, atan, atan2, hypot, log10, signum

• SimplePlot sink - a simplified version of the SequencePlotter sink

That's it for now. Have a nice weekend!