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dev/script/cpython/linfit.py
2024-06-10 10:44:16 +02:00

57 lines
980 B
Python

import numpy as np
def linfit(x, y):
"""
Return linear fit
"""
p = np.polyfit(x, y, 1)
f = np.poly1d(p)
x_fit = np.linspace(min(x), max(x), 100)
y_fit = f(x_fit)
yhat = f(x)
ybar = np.sum(y)/len(y)
ssreg = np.sum((yhat - ybar)**2)
sstot = np.sum((y - ybar)**2)
R2 = ssreg / sstot
return (p, x_fit, y_fit, R2)
def test():
return np.ones(5)
def test2(name, x=None, y=None, **kwargs):
print (name,x,y)
ret = y*x
print (ret)
print(kwargs.get("z", 0.0))
return ret
def add(x,y,z):
return x+y+z
def read_dev(dev):
return dev.read()
def print_dict(d):
for k in d.keys():
print (k, d[k])
ret = {}
ret.update(d)
return ret
def get_tuple():
return (1,2,3)
#x=np.array([0,1,2,3,4,5,6,7,8,9])
#y=np.array([1,2,3,6,9,6,3,2,1,0])
#print( linfit(x,y) )
#x=(0,1,2,3,4,5,6,7,8,9)
#y=(1,2,3,6,9,6,3,2,1,0)
#print( linfit(x,y) )
#print_dict({"a":1, "b":2})