In [7]: def cost_function(x, y, theta): m - len(y) y_pred - x.dot(theta) (y_pred - y) ** 2 error = return 1/(2*m) * np.sum(error) In [17]: m = data.Population.values x = np.append (np.one( (m,1)), data. Population.values.reshape (m, 1), axis = 1) y = data.Profit.values.reshape (m,1) theta = np.zeros ((2,1)) cost_function(x,y, theta) AttributeError Traceback (most recent call last) in 1 m = data.Population.values --> 2 x = np.append (np.one ((m,1)), data.Population.values.shape(m,1), axis = 1) 3 y = data.Profit.values.shape (m,1) 4 5 theta - np. zeros ((2,1)) \anaconda3\lib\site-packages\numpy\__init_.py in_getattr_(attr) 301 return Tester 302 raise AttributeError("module {!r} has no attribute " "{!r}".format(_name_, attr)) 303 304 305 AttributeError: module 'numpy' has no attribute 'one'
In [7]: def cost_function(x, y, theta): m - len(y) y_pred - x.dot(theta) (y_pred - y) ** 2 error = return 1/(2*m) * np.sum(error) In [17]: m = data.Population.values x = np.append (np.one( (m,1)), data. Population.values.reshape (m, 1), axis = 1) y = data.Profit.values.reshape (m,1) theta = np.zeros ((2,1)) cost_function(x,y, theta) AttributeError Traceback (most recent call last) in 1 m = data.Population.values --> 2 x = np.append (np.one ((m,1)), data.Population.values.shape(m,1), axis = 1) 3 y = data.Profit.values.shape (m,1) 4 5 theta - np. zeros ((2,1)) \anaconda3\lib\site-packages\numpy\__init_.py in_getattr_(attr) 301 return Tester 302 raise AttributeError("module {!r} has no attribute " "{!r}".format(_name_, attr)) 303 304 305 AttributeError: module 'numpy' has no attribute 'one'
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Question
How to fix it?
![In [7]: def cost_function(x, y, theta):
m = len(y)
y_pred = x.dot (theta)
error = (y_pred
y) ** 2
return 1/(2*m) *
np.sum(error)
In [17]: m = data.Population.values
X = np.append (np.one ( (m, 1)), data.Population.values.reshape (m, 1), axis = 1)
y = data.Profit.values.reshape (m, 1)
theta = np.zeros ((2,1))
cost_function(x,y, theta)
AttributeError
Traceback (most recent call last)
<ipython-input-17-1099d172f486> in <module>
1 m = data.Population.values
----> 2 X = np.append (np.one ( (m,1)), data.Population.values.shape (m,1), axis = 1)
3 y = data.Profit.values.shape (m, 1)
4
5 theta = np.zeros ((2,1))
lanaconda3\lib\site-packages\numpy\_init__.py in_getattr_(attr)
301
return Tester
302
--> 303
304
raise AttributeError ("module {!r} has no attribute "
"{!r}".format(_name_, attr))
305
AttributeError: module 'numpy' has no attribute 'one'](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc61ca524-dac6-444e-96a2-05cfae3d221f%2F41f3dd4a-b1ed-4837-be60-7667434042b5%2Fnbfhy1f_processed.png&w=3840&q=75)
Transcribed Image Text:In [7]: def cost_function(x, y, theta):
m = len(y)
y_pred = x.dot (theta)
error = (y_pred
y) ** 2
return 1/(2*m) *
np.sum(error)
In [17]: m = data.Population.values
X = np.append (np.one ( (m, 1)), data.Population.values.reshape (m, 1), axis = 1)
y = data.Profit.values.reshape (m, 1)
theta = np.zeros ((2,1))
cost_function(x,y, theta)
AttributeError
Traceback (most recent call last)
<ipython-input-17-1099d172f486> in <module>
1 m = data.Population.values
----> 2 X = np.append (np.one ( (m,1)), data.Population.values.shape (m,1), axis = 1)
3 y = data.Profit.values.shape (m, 1)
4
5 theta = np.zeros ((2,1))
lanaconda3\lib\site-packages\numpy\_init__.py in_getattr_(attr)
301
return Tester
302
--> 303
304
raise AttributeError ("module {!r} has no attribute "
"{!r}".format(_name_, attr))
305
AttributeError: module 'numpy' has no attribute 'one'
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