betaf {FinAna}

Calculating beta for a company or a select of companies

Description

Calculating beta using common method or linear regression(OLS)

Usage

betaf(x,y,method)

Arguments

x

:a vector or a data.frame of rate of return of companies

y

:name of the independent variable

method

:method of calculation; method = 1 for a common expression of beta(see detail); method = 2 using linear regression to estimate the beta

Examples

#betaf(appl,sp500)