Variance
Variance: The mean squared deviation from the expected value, used to measure the dispersion of a random variable. Its units are squared relative to the variable; standard deviation is its square root. In bias-variance analysis it quantifies sensitivity to training samples.
In italiano: VarianzaLegge II · Probabilità, softmax e modelli generativiIts units are squared relative to the variable; standard deviation is its square root. In bias-variance analysis it quantifies sensitivity to training samples.