def avg(X):
return 0
def cov(X, Y):
return 0
def var(X):
return 0
# Returns a tuple of (b, m) as per the equations in the
# instructions
def make_model(data):
b = 0
m = 0
return (b, m)
# simple test cases
assert(make_model([(0, 0), (1, 1), (2, 2)]) == (0.0, 1.0))
assert(make_model([(0, 0), (1, 2), (2, 4)]) == (0.0, 2.0))
assert(make_model([(0, 2), (1, 3), (2, 4)]) == (2.0, 1.0))
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Adam Blank authored1ec2aaf4