Encoder. Lower the threshold to detect move-up events.

cfatools/processor/encoder.py

@@ -56,10 +56,10 @@ def get_moveup_events(encoder_df: pd.DataFrame,
         ``end_position`` (in mm) and ``event_type``.
     """
     encoder_df = encoder_df.copy()
-    encoder_df["pos_diff"] = encoder_df["position"].diff()
+    encoder_df["pos_diff"] = -encoder_df["position"].diff(-1)
 
     # Get the datetime of the start of each "encoder moves up" event
-    starts_df = encoder_df[encoder_df["pos_diff"] > 5]
+    starts_df = encoder_df[encoder_df["pos_diff"] > 2]
     starts_df = starts_df.copy()
     starts_df["diff"] = starts_df.index.to_series().diff().fillna(pd.Timedelta(days=100))
     start_datetimes = starts_df[starts_df["diff"] > pd.Timedelta(seconds=5)].index.to_series()