Не понимаю, ошибку и что делать дальше

Код:

dbscan.fit(df1['Province/State,Country/Region,Lat,Long,1/22/20,6/26/22'])

Ошибка:

ValueError                                Traceback (most recent call last)
<ipython-input-55-cb2ea18c5b2a> in <module>()
----> 1 dbscan.fit(df1['Province/State,Country/Region,Lat,Long,1/22/20,1/23/20,1/24/20,1/25/20,1/26/20,1/27/20,1/28/20,1/29/20,1/30/20,1/31/20,2/1/20,2/2/20,2/3/20,2/4/20,2/5/20,2/6/20,2/7/20,2/8/20,2/9/20,2/10/20,2/11/20,2/12/20,2/13/20,2/14/20,2/15/20,2/16/20,2/17/20,2/18/20,2/19/20,2/20/20,2/21/20,2/22/20,2/23/20,2/24/20,2/25/20,2/26/20,2/27/20,2/28/20,2/29/20,3/1/20,3/2/20,3/3/20,3/4/20,3/5/20,3/6/20,3/7/20,3/8/20,3/9/20,3/10/20,3/11/20,3/12/20,3/13/20,3/14/20,3/15/20,3/16/20,3/17/20,3/18/20,3/19/20,3/20/20,3/21/20,3/22/20,3/23/20,3/24/20,3/25/20,3/26/20,3/27/20,3/28/20,3/29/20,3/30/20,3/31/20,4/1/20,4/2/20,4/3/20,4/4/20,4/5/20,4/6/20,4/7/20,4/8/20,4/9/20,4/10/20,4/11/20,4/12/20,4/13/20,4/14/20,4/15/20,4/16/20,4/17/20,4/18/20,4/19/20,4/20/20,4/21/20,4/22/20,4/23/20,4/24/20,4/25/20,4/26/20,4/27/20,4/28/20,4/29/20,4/30/20,5/1/20,5/2/20,5/3/20,5/4/20,5/5/20,5/6/20,5/7/20,5/8/20,5/9/20,5/10/20,5/11/20,5/12/20,5/13/20,5/14/20,5/15/20,5/16/20,5/17/20,5/18/20,5/19/20,5/20/20,5/21/...

3 frames
/usr/local/lib/python3.7/dist-packages/pandas/core/series.py in __array__(self, dtype)
    855               dtype='datetime64[ns]')
    856         """
--> 857         return np.asarray(self._values, dtype)
    858 
    859     # ----------------------------------------------------------------------

ValueError: could not convert string to float: ',Afghanistan,33.93911,67.709953,0,0,0,0