Dietary fiber is the edible parts of plants or analogous carbohydrates that are resistant to digestion and absorption in the human small intestine, with complete or partial fermentation in the large intestine. Dietary fiber includes polysaccharides, oligosaccharides, lignin, and associated plant substances.
The theoretical rate of return attributed to an investment with zero risk. The risk-free rate represents the interest on an investor's money that he or she would expect from an absolutely risk-free investment over a specified period of time. Next Up.
Regression, Alpha, R-Squared. One use of CAPM is to analyze the performance of mutual funds and other portfolios - in particular, to make active fund managers look bad. Each data point in this graph shows the risk-adjusted return of the portfolio and that of the index over one time period in the past. r - Rf = beta x ( Km - Rf ) + alpha. where r is the fund's return rate, Rf is the risk-free return rate, and Km is the return of the index.