update NEWS

NEWS.md

@@ -15,13 +15,22 @@ From now on, consider using other packages such as **parsnip** or **tidymodels**
 
 ## Minor changes
 
+Plotting: 
+
+- `plot.FFTrees()` now labels row of 2x2 confusion matrix as "Prediction" when using "test" data. 
 - `plot.FFTrees()` now has a `truth.labels` argument which, if set, distinguishes labels of true (signal vs. noise) cases from decision outcomes. 
 - `plot.FFTrees()` now has a `grayscale` argument which, if TRUE, creates a grayscale plot. 
+
+<!-- Costs: --> 
+
+Decision costs:
+
 - Increased value of `cost_cues_default` from 0 to 1, so that default cue costs correspond to `mcu`. 
 
 
 ## Details
 
+- Fix bug for missing plot title. 
 - Added `@aliases FFTrees-package` to documentation of main `FFTrees()` function.
 - Removed redundant `data_old` folder. 
 
@@ -498,6 +507,6 @@ Thus, the main tree building function is now `FFTrees()` and the new tree object
 
 ------ 
 
-[File `NEWS.md` last updated on 2024-05-21.]
+[File `NEWS.md` last updated on 2024-09-04.]
 
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