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pytholabsbot1/ols.py

Created January 30, 2019 17:31
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ols.py
##create a nodel to estimate the relationship b/w x and y
##optimization model = OLS estimator
def ols(x,y):
y_ = y.mean()
x_ = x.mean()
b1 = np.sum((y-y_)*(x-x_))/np.sum((x-x_)**2)
b0 = y_- b1*x_
return(b0,b1)
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