What is half the contrast?
Author: Nobile Prize
What is half the contrast?
Quasi-variance is a measure of data that can be used to estimate potential downside risks for an investment portfolio. Quasi-variance is calculated by measuring the dispersion of all observations that fall below the mean or target value of a set of data. Half of the variance is the mean of the squared deviations of the values that are below the mean.
The main concerns
The quasi-variance equation can be used to measure downside risk for a portfolio.
Semivariance considers only observations that are below the mean of the data set.
Spreadsheet software can be useful in calculating the semi-variance for your business portfolio.
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Understanding quasi-contrast
The semi-contrast formula is
\ start {align} & \ text {Semivariance} = \ frac1n \ times \ sum ^ n_ {r_t