- product-avg-rating
- product-churn-lh5
- product-low-rating
- product-rating-change
- product-rating-trend-reversal
- product-rating-volatility
- product-return-lh5
- product-review-concentration
- product-streak-length
- product-time-until-next-lh5
- product-time-until-next-review
- product-top-rated
- reviewer-active
- reviewer-avg-rating
- reviewer-churn-lh4
- reviewer-churn-lh5
- reviewer-churn-lh6
- reviewer-churn
- reviewer-return-lh4
- reviewer-return-lh5
- reviewer-return-lh6
- reviewer-return
- reviewer-time-until-next-lh4
- reviewer-time-until-next-lh5
- reviewer-time-until-next-lh6
- reviewer-time-until-next-review
- reviewer-verbosity-per-star