Equation 4 · Part 2 · Futures Methods and Technological Scenarios in Practice: An Advanced Technical Guide
subscript
subscript
What this part means
The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.
Its job in the formula
A subscript distinguishes a version, component, step, or member of a quantity. It does not automatically mean multiplication.
Full expression→subscript→Article meaning
The passage around this formula
where is the forecaster’s stated probability on question i and \{0,1\} is the realized outcome. Lower is better; a perfectly calibrated coin-flip forecaster scores 0.25 on a 50/50 question, and a forecaster who says 100 percent and is wrong scores the maximum possible 1.0.
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
Open the illustrated subscripts: which member of a family? guide →
Sources cited in the article section
- [2] Expert Political Judgment: How Good Is It? How Can We Know? ↗
- [3] Strictly Proper Scoring Rules, Prediction, and Estimation ↗
- [7] A Primer on the Metaculus Scoring Rule ↗
- [1] Identifying and Cultivating Superforecasters as a Method of Improving Probabilistic Predictions ↗
- [4] Aggregative Contingent Estimation (ACE) Program ↗
These citations provide research context; check each source for the exact claim it supports.