This implies a judgment on my part at total variance with my testimony.
Together, all terms sum to the total variance of the model output.
It is standardised by the total variance to provide a fractional contribution.
The nomenclature in this article's title parallels the phrase law of total variance.
For a true period the ratio of the bin to the total variances will be small.
The decomposition of X is done in such a way that the factors explain the total variance in a descending order.
In other words just over 12 per cent of the total variance is still accounted for by non-market factors.
On average he found that the model explained 27 per cent of the total variance of returns.
Under those assumptions direct material total variance can be calculated as:
In particular, the total variance of the N-truncated approximation is .