add delta value to SG

labsw/__init__.py

@@ -1 +1 @@
-__version__ = '0.1.5.8'
+__version__ = '0.1.6.0'

labsw/io.py

@@ -33,7 +33,8 @@ def load_data_RH_logger(filepath, every=1):
 def process_data_RH_logger(filepath, every):
     df = load_data_RH_logger(filepath, every=1)
     # Derivative
-    df['dmdt_SG'] = savgol_filter(df['weight'], window_length=10000, polyorder=1, deriv=1)
+    delta = np.mean(df['time'].diff())
+    df['dmdt_SG'] = savgol_filter(df['weight'], window_length=10000, polyorder=1, deriv=1, delta=delta)
     df['dmdt_diff'] = df['weight'].diff(periods=1000) / df['time'].diff(periods=1000)
 
     h5path = os.path.splitext(filepath)[0]