Error when using Pandas and indexing. why? I even asked Derek Banas and he wasn't sure why didn't work so please help Errors at bottom in 'quote format'
This my code:
import numpy as np
import pandas as pd
from pandas_datareader import data as web
import matplotlib.pyplot as plt
import matplotlib.dates as mdates
%matplotlib inline
import datetime as dt #For defining dates
import mplfinance as mpf # Matplotlib finance
import time
import yfinance as yf;
# Used to get data from a directory
import os
from os import listdir
from os.path import isfile, join
pd.set_option('display.max_columns', None)
pd.set_option('display.max_rows', 5);
#Statsmodels is a great library we can use to run regressions.
import statsmodels.api as sm
# Seaborn extends the capabilities of Matplotlib
import seaborn as sns
# Used for calculating regressions
from statsmodels.tsa.ar_model import AutoReg, ar_select_order
msft= yf.download(tickers='MSFT', period = '1mo',interval = '5m');
x = msft.index; close = msft.index['Adj Close'], high = msft['High']; low = msft['Low']; openprice=msft['Open'];
#print(x); print(high);
print(msft)
Error is:
x = msft.index; close = msft.index['Adj Close'];
---- " [my addrs]...\pandas\core\indexes\extension.py, line 238 in getitem
result = self._data[key] Following a tutorial https://youtu.be/boouvnzw-G8?t=582
I'm using Eclipse on windows. Why doesn't Python work when I index whatever's in the video? Appreciate it, I'm a lowly student and cannot figure why my copy-paste of the github repositry code won't work. I even asked Derek Banas and he wasn't sure why didn't work so please help
CodePudding user response：
It seems like a formatting issue.. Change this line
x = msft.index; close = msft.index['Adj Close'], high = msft['High']; low = msft['Low']; openprice=msft['Open'];
to this:
x = msft.index
# THIS LINE CAUSES THE ERROR
# close = msft.index['Adj Close']
close = msft['Adj Close']
high = msft['High']
low = msft['Low']
openprice=msft['Open']
Tip 1: No need for ; anywhere. Remove them.
Tip 2: One statement per line.
CodePudding user response：
The problem is that msft.index is a an index not a column of your DataFrame. Whereas you are trying to access it as if it is a column (msft.index[<ColumnName>]).
It should be simply msft[<ColumnName>]. See below for details:
Run:
msft= yf.download(tickers='MSFT', period = '1mo',interval = '5m');
type(msft.index)
Output:
pandas.core.indexes.datetimes.DatetimeIndex
Run:
msft.head()
Output:
Open High Low Close Adj Close Volume
Datetime
2021-11-04 09:30:00-04:00 332.890015 333.239990 329.640015 330.549988 330.549988 1619634
2021-11-04 09:35:00-04:00 330.000000 330.589996 329.859985 330.390015 330.390015 966856
2021-11-04 09:40:00-04:00 330.500000 332.299988 330.450104 332.269989 332.269989 760918
2021-11-04 09:45:00-04:00 332.250000 333.100006 332.170013 332.989990 332.989990 526600
2021-11-04 09:50:00-04:00 332.750000 333.179993 332.510010 333.174988 333.174988 498996
You need to access it this way (get rid of .index):
Run:
msft['Adj Close']
Output:
Datetime
2021-11-04 09:30:00-04:00 330.549988
2021-11-04 09:35:00-04:00 330.390015
2021-11-04 09:40:00-04:00 332.269989
2021-11-04 09:45:00-04:00 332.989990
2021-11-04 09:50:00-04:00 333.174988
...
2021-12-03 15:35:00-05:00 320.594604
2021-12-03 15:40:00-05:00 320.304993
2021-12-03 15:45:00-05:00 320.317505
2021-12-03 15:50:00-05:00 321.679993
2021-12-03 15:55:00-05:00 323.149994
Name: Adj Close, Length: 1603, dtype: float64
I'm guessing this error was the result of a copy/paste typo (because the video does not have it as you do with .index).
I would strongly echo the advise of @WesleyJonCheek : "One statement per line"