Visualize monthly mean, median and standard deviation of S&P500 returns
You have also learned how to calculate several aggregate statistics from upsampled data.
Let's use this to explore how the monthly mean, median and standard deviation of daily S&P500 returns have trended over the last 10 years.
Deze oefening maakt deel uit van de cursus
Manipulating Time Series Data in Python
Oefeninstructies
As usual, we have imported pandas as pd and matplotlib.pyplot as plt for you.
- Use
pd.read_csv()to import'sp500.csv', set aDateTimeIndexbased on the'date'column usingparse_datesandindex_col, assign the results tosp500, and inspect using.info(). - Convert
sp500to apd.Series()using.squeeze(), and apply.pct_change()to calculatedaily_returns. .resample()daily_returnsto month-end frequency (alias:'M'), and apply.agg()to calculate'mean','median', and'std'. Assign the result tostats..plot()stats.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Import data here
sp500 = ____
# Calculate daily returns here
daily_returns = ____
# Resample and calculate statistics
stats = ____
# Plot stats here