Regression user Kantale

Documentation

Returns the points of a regression curve (if degree == 1 then line). Adapted from: http://www.scipy.org/Cookbook/LinearRegression

Parameters

<inputs>
</inputs>

Code

def Regression_user_Kantale(
	input_filename=None,
	degree = 1,
	points = 50,
	x_from = 0,
	x_to = 1,
	):

	try:
		from scipy import linspace, polyval, polyfit
	except ImportError as inst:
		print "Could not import scipy"
		raise inst

	try:
		import numpy
	except ImportError as inst:
		print "Could not import numpy"
		raise inst

	data = numpy.genfromtxt(filename)
	
	if degree == 1:
		(ar,br)=polyfit(data[:,0], data[:,1], 1)
	else:
		polyfit_return = polyfit(data[:,0], data[:,1], degree)


	t=linspace(x_from, x_to, points)
	if degree==1: xr = polyval([ar,br],t)
	else: xr = polyval(polyfit_return, t)

	return (t, xr)

Unit Tests

def uni1():
	return True

Development Code

def Regression_user_Kantale():
	pass

Permissions

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