Updated exp diff tables

content/docs/command-reference/exp/diff.md

@@ -25,12 +25,12 @@ difference ("Change") for numeric values. Example:
 
 ```dvc
 $ dvc exp diff
-Path         Metric    Value    Change
-scores.json  roc_auc   0.93345  0.018087
-scores.json  grade     B-       —
+Path         Metric   HEAD      workspace  Change
+scores.json  roc_auc  0.915363  0.93345    0.018087
+scores.json  grade    B         B-         —
 
-Path         Param         Value    Change
-params.yaml  max_features  3000     1500
+Path         Param         HEAD  workspace  Change
+params.yaml  max_features  1500  3000       1500
 ```
 
 > This is similar to combining the reports from `dvc params diff` and
@@ -60,9 +60,6 @@ all the current experiments (without comparisons).
 - `--md` - prints the command's output in the Markdown table format
   ([GFM](https://github.github.com/gfm/#tables-extension-)).
 
-- `--old` - include the "Old" value column in addition to the new "Value" (and
-  "Change"). Useful when the values are not numeric, for example
-
 - `--no-path` - hide the "Path" column that lists the param/metrics file
   location. Useful when only one metrics or params file exists, for example
 
@@ -101,21 +98,23 @@ to its baseline (`10-bigrams-experiment`, current `HEAD`) like this:
 
 ```dvc
 $ dvc exp diff exp-1dad0
-Path         Metric    Value    Change
-scores.json  auc       0.61314  0.035575
-Path         Param                   Value    Change
-params.yaml  featurize.max_features  1500     -500
+Path         Metric  HEAD      exp-1dad0  Change
+scores.json  auc     0.577565  0.61314    0.035575
+
+Path         Param                   HEAD  exp-1dad0  Change
+params.yaml  featurize.max_features  2000  1500       -500
 ```
 
 To compare two specific experiments (values are shown for the second one by
 default):
 
 ```dvc
 $ dvc exp diff exp-1dad0 exp-1df77
-Path         Metric    Value    Change
-scores.json  auc       0.51676  -0.060799
-Path         Param                   Value    Change
-params.yaml  featurize.max_features  500      -1500
+Path         Metric  exp-1dad0  exp-1df77   Change
+scores.json  auc     0.577559   0.51676     -0.060799
+
+Path         Param                   exp-1dad0  exp-1df77  Change
+params.yaml  featurize.max_features  2000       500        -1500
 ```
 
 To compare an experiment to the
@@ -124,9 +123,10 @@ tag (or any other [revision](https://git-scm.com/docs/revisions)):
 
 ```dvc
 $ dvc exp diff exp-1dad0 7-ml-pipeline
-Path         Metric    Value    Change
-scores.json  auc       None     diff not supported
-Path         Param                   Value    Change
-params.yaml  featurize.max_features  500      -1500
-params.yaml  featurize.ngrams        1        -1
+Path         Metric  exp-1dad0  7-ml-pipeline  Change
+scores.json  auc     0.577559   None           diff not supported
+
+Path         Param                   exp-1dad0  7-ml-pipeline  Change
+params.yaml  featurize.max_features  2000       500            -1500
+params.yaml  featurize.ngrams        2          1              -1
 ```