Merge pull request #7454 from freqtrade/fix_backtesting_dfsize_freqai

Ensure the DF has the same size in backtesting FreqAI

freqtrade/freqai/data_kitchen.py

@@ -466,27 +466,6 @@ class FreqaiDataKitchen:
 
         return df
 
-    def remove_training_from_backtesting(
-        self
-    ) -> DataFrame:
-        """
-        Function which takes the backtesting time range and
-        remove training data from dataframe, keeping only the
-        startup_candle_count candles
-        """
-        startup_candle_count = self.config.get('startup_candle_count', 0)
-        tf = self.config['timeframe']
-        tr = self.config["timerange"]
-
-        backtesting_timerange = TimeRange.parse_timerange(tr)
-        if startup_candle_count > 0 and backtesting_timerange:
-            backtesting_timerange.subtract_start(timeframe_to_seconds(tf) * startup_candle_count)
-
-        start = datetime.fromtimestamp(backtesting_timerange.startts, tz=timezone.utc)
-        df = self.return_dataframe
-        df = df.loc[df["date"] >= start, :]
-        return df
-
     def principal_component_analysis(self) -> None:
         """
         Performs Principal Component Analysis on the data for dimensionality reduction
@@ -994,8 +973,6 @@ class FreqaiDataKitchen:
 
         to_keep = [col for col in dataframe.columns if not col.startswith("&")]
         self.return_dataframe = pd.concat([dataframe[to_keep], self.full_df], axis=1)
-
-        self.return_dataframe = self.remove_training_from_backtesting()
         self.full_df = DataFrame()
 
         return