import pandas as pd
from matplotlib import pyplot as plt
from pandas.plotting import lag_plot

# Load the dataset using pandas.read_csv
series = pd.read_csv(
    'daily-minimum-temperatures.csv',
    header=0,
    index_col=0,
    parse_dates=True
)

# Convert the data to numeric if necessary
series = series.squeeze().astype(float)  # Ensure it's a Series

# Uncomment to view data or plot the time series
# print(series.head())
# series.plot()
# plt.title("Daily Minimum Temperatures")
# plt.show()

# Lag plot
lag_plot(series)
plt.title("Lag Plot of Daily Minimum Temperatures")
plt.show()