In [1]:

    

import warnings
import pandas as pd


    

In [2]:

    

df = pd.DataFrame([[0, 1, 2], [3, 4, 5]])


    

In [3]:

    

df.ix[0, 0] = 0


    

    




/usr/local/lib/python3.7/site-packages/ipykernel_launcher.py:1: FutureWarning: 
.ix is deprecated. Please use
.loc for label based indexing or
.iloc for positional indexing

See the documentation here:
http://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#ix-indexer-is-deprecated
  """Entry point for launching an IPython kernel.

In [4]:

    

df.iloc[:1][0] = 0


    

    




/usr/local/lib/python3.7/site-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: 
A value is trying to be set on a copy of a slice from a DataFrame.
Try using .loc[row_indexer,col_indexer] = value instead

See the caveats in the documentation: http://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy
  """Entry point for launching an IPython kernel.

In [5]:

    

warnings.simplefilter('ignore')


    

In [6]:

    

df.ix[0, 0] = 0


    

In [7]:

    

df.iloc[:1][0] = 0


    

In [8]:

    

warnings.resetwarnings()


    

In [9]:

    

warnings.simplefilter('ignore', FutureWarning)


    

In [10]:

    

df.ix[0, 0] = 0


    

In [11]:

    

df.iloc[:1][0] = 0


    

    




/usr/local/lib/python3.7/site-packages/ipykernel_launcher.py:1: SettingWithCopyWarning: 
A value is trying to be set on a copy of a slice from a DataFrame.
Try using .loc[row_indexer,col_indexer] = value instead

See the caveats in the documentation: http://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy
  """Entry point for launching an IPython kernel.

In [12]:

    

warnings.resetwarnings()


    

In [13]:

    

# warnings.simplefilter('ignore', SettingWithCopyWarning)
# NameError: name 'SettingWithCopyWarning' is not defined


    

In [14]:

    

warnings.simplefilter('ignore', pd.core.common.SettingWithCopyWarning)


    

In [15]:

    

df.ix[0, 0] = 0


    

    




/usr/local/lib/python3.7/site-packages/ipykernel_launcher.py:1: FutureWarning: 
.ix is deprecated. Please use
.loc for label based indexing or
.iloc for positional indexing

See the documentation here:
http://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#ix-indexer-is-deprecated
  """Entry point for launching an IPython kernel.

In [16]:

    

df.iloc[:1][0] = 0


    

In [17]:

    

warnings.resetwarnings()


    

In [18]:

    

warnings.simplefilter('error')


    

In [19]:

    

# df.ix[0, 0] = 0
# FutureWarning: ...


    

In [20]:

    

warnings.resetwarnings()


    

In [21]:

    

warnings.simplefilter('ignore', FutureWarning)
warnings.simplefilter('error', pd.core.common.SettingWithCopyWarning)


    

In [22]:

    

df.ix[0, 0] = 0


    

In [23]:

    

# df.iloc[:1][0] = 0
# SettingWithCopyWarning: ...


    

In [24]:

    

warnings.resetwarnings()


    

In [25]:

    

with warnings.catch_warnings():
    warnings.simplefilter('ignore')
    df.ix[0, 0] = 0


    

In [26]:

    

df.ix[0, 0] = 0


    

    




/usr/local/lib/python3.7/site-packages/ipykernel_launcher.py:1: FutureWarning: 
.ix is deprecated. Please use
.loc for label based indexing or
.iloc for positional indexing

See the documentation here:
http://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#ix-indexer-is-deprecated
  """Entry point for launching an IPython kernel.