Sales Data Analysis
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Demand Forecasting Model Development
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import pandas as pd
import statsmodels.api as sm
import matplotlib.pyplot as plt
# Load the dataset
data = pd.read_csv('your_dataset.csv')
data['date'] = pd.to_datetime(data['date'])
data.set_index('date', inplace=True)
# Resample the data to a monthly frequency and sum sales
monthly_sales = data['sales'].resample('M').sum()
# Fit an Exponential Smoothing model
model = sm.tsa.ExponentialSmoothing(monthly_sales, trend='add', seasonal='add', seasonal_periods=12)
fit = model.fit()
# Forecast the next 12 months
forecast = fit.forecast(steps=12)
# Plot the results
plt.figure(figsize=(12, 6))
plt.plot(monthly_sales, label='Historical Sales')
plt.plot(forecast, label='Forecasted Sales', color='red')
plt.title('Sales Forecasting')
plt.xlabel('Date')
plt.ylabel('Sales')
plt.legend()
plt.show()
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