---------------------------------------------------------------------------AttributeError Traceback (most recent call last)Cell In[3], line 11 8 factors=pd.read_csv('A2_Data.zip',parse_dates=['date']).set_index(['id','date']) 10 # We comnine all the data in a single DataFrame---> 11 db=factors.join(future_returns).dropma() 12 db.head()File ~/anaconda3/lib/python3.11/site-packages/pandas/core/generic.py:5902, in NDFrame.__getattr__(self, name) 5895 if ( 5896 name not in self._internal_names_set 5897 and name not in self._metadata 5898 and name not in self._accessors 5899 and self._info_axis._can_hold_identifiers_and_holds_name(name) 5900 ): 5901 return self[name]-> 5902 return object.__getattribute__(self, name)AttributeError: 'DataFrame' object has no attribute 'dropma'

---------------------------------------------------------------------------NameError Traceback (most recent call last)Cell In[12], line 5 3 # We load the prices and calculate the future return 4 prices=pd.read_csv('Prices.zip',parse_dates=['date']).set_index(['id','date']).squeeze()----> 5 future_returns=cp.log(prices,groupby('id'),shift(-1)/ prices).rename('fut_ret') 7 # We load the information signals 8 factors=pd.read_csv('A2_Data.zip',parse_dates=['date']).set_index(['id','date'])NameError: name 'cp' is not defined

Cell In[9], line 1 market cap= pd.read_csv('Market_cap.zip',parse dates=['date']).set Index(['id','date']).squeeze() ^SyntaxError: invalid syntax

NameError Traceback (most recent call last)Cell In[13], line 5 3 # We load the prices and calculate the future return 4 prices=pd.read_csv('Prices.zip',parse_dates=['date']).set_index(['id','date']).squeeze()----> 5 future_returns=np.log(prices,groupby('id'),shift(-1)/ prices).rename('fut_ret') 7 # We load the information signals 8 factors=pd.read_csv('A2_Data.zip',parse_dates=['date']).set_index(['id','date'])NameError: name 'groupby' is not defined

x = pd.read_csv('Zomato.csv , encoding = 'unicode_escape') Cell In[7], line 1 x = pd.read_csv('Zomato.csv , encoding = 'unicode_escape') ^SyntaxError: unterminated string literal (detected at line 1)

UnicodeDecodeError Traceback (most recent call last)Cell In[2], line 1----> 1 df = pd.read_csv('zomato.csv')File ~\anaconda3\Lib\site-packages\pandas\io\parsers\readers.py:912, in read_csv(filepath_or_buffer, sep, delimiter, header, names, index_col, usecols, dtype, engine, converters, true_values, false_values, skipinitialspace, skiprows, skipfooter, nrows, na_values, keep_default_na, na_filter, verbose, skip_blank_lines, parse_dates, infer_datetime_format, keep_date_col, date_parser, date_format, dayfirst, cache_dates, iterator, chunksize, compression, thousands, decimal, lineterminator, quotechar, quoting, doublequote, escapechar, comment, encoding, encoding_errors, dialect, on_bad_lines, delim_whitespace, low_memory, memory_map, float_precision, storage_options, dtype_backend) 899 kwds_defaults = _refine_defaults_read( 900 dialect, 901 delimiter, (...) 908 dtype_backend=dtype_backend, 909 ) 910 kwds.update(kwds_defaults)--> 912 return _read(filepath_or_buffer, kwds)File ~\anaconda3\Lib\site-packages\pandas\io\parsers\readers.py:577, in _read(filepath_or_buffer, kwds) 574 _validate_names(kwds.get("names", None)) 576 # Create the parser.--> 577 parser = TextFileReader(filepath_or_buffer, **kwds) 579 if chunksize or iterator: 580 return parserFile ~\anaconda3\Lib\site-packages\pandas\io\parsers\readers.py:1407, in TextFileReader.__init__(self, f, engine, **kwds) 1404 self.options["has_index_names"] = kwds["has_index_names"] 1406 self.handles: IOHandles | None = None-> 1407 self._engine = self._make_engine(f, self.engine)File ~\anaconda3\Lib\site-packages\pandas\io\parsers\readers.py:1679, in TextFileReader._make_engine(self, f, engine) 1676 raise ValueError(msg) 1678 try:-> 1679 return mapping[engine](f, **self.options) 1680 except Exception: 1681 if self.handles is not None:File ~\anaconda3\Lib\site-packages\pandas\io\parsers\c_parser_wrapper.py:93, in CParserWrapper.__init__(self, src, **kwds) 90 if kwds["dtype_backend"] == "pyarrow": 91 # Fail here loudly instead of in cython after reading 92 import_optional_dependency("pyarrow")---> 93 self._reader = parsers.TextReader(src, **kwds) 95 self.unnamed_cols = self._reader.unnamed_cols 97 # error: Cannot determine type of 'names'File ~\anaconda3\Lib\site-packages\pandas\_libs\parsers.pyx:550, in pandas._libs.parsers.TextReader.__cinit__()File ~\anaconda3\Lib\site-packages\pandas\_libs\parsers.pyx:639, in pandas._libs.parsers.TextReader._get_header()File ~\anaconda3\Lib\site-packages\pandas\_libs\parsers.pyx:850, in pandas._libs.parsers.TextReader._tokenize_rows()File ~\anaconda3\Lib\site-packages\pandas\_libs\parsers.pyx:861, in pandas._libs.parsers.TextReader._check_tokenize_status()File ~\anaconda3\Lib\site-packages\pandas\_libs\parsers.pyx:2021, in pandas._libs.parsers.raise_parser_error()UnicodeDecodeError: 'utf-8' codec can't decode byte 0xed in position 7044: invalid continuation byteIn [ ]:​