Sample Size Determination
Meaning ⎊ Calculating the minimum data required to ensure a statistical test has enough power to detect a real market pattern.
Forecast Error Variance
Meaning ⎊ A metric for the uncertainty of a forecast, measured by the variance of the difference between prediction and reality.
Walk Forward Testing
Meaning ⎊ A validation method that iteratively tests a model on moving windows of data to ensure consistent performance over time.
Overfitting Risk
Meaning ⎊ The danger of creating overly complex models that memorize historical noise instead of learning predictive market signals.
Residual Analysis
Meaning ⎊ Examination of differences between observed and predicted values to validate model accuracy and assumptions.
