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MLS-C01
Exploratory Data Analysis
hard
Question 1 of 48

A data science team is building a demand forecasting model using a dataset with daily sales records. They want to capture weekly seasonality and recent trend as input features. Which feature engineering techniques are most appropriate?

AOne-hot encoding for the sales amount and log transformation for the date column
BLag features such as sales_lag_7 and rolling window statistics such as rolling_mean_7
CPCA to reduce the time series to principal components
DMin-max normalization of the date column

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