Emebed lab code on the week three "Predict" assignment giving an error - Please help

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
1

UNQ_C4

GRADED FUNCTION: predict

I have completed the code for the predict function and when i run it there are no errors.
However, when i go onto to run the uneditable predict code In [2]: i get the following error -

NameError

Traceback (most recent call last)

in

5 tmp_X = np. random. randn (4, 2) - 0.5

6

→ 7 tmp_p = predict (tmp_X, tmp_w, tmp_b)

8 print (f’Output of predict: shape {tmp_p.shape}, value {tmp_p}')

g

in predict (X, w, b)

26

27

==-> 28

29

30

Calculate the prediction from the model

f_wb = sigmoid(z_wb)

Calculate the prediction for that training example

NameError: name ‘sigmoid’ is not defined

Herewith the lab reference number: fqubypinwvtm

2

Please post a screen capture image that shows the error.

Your text copy-and-paste is being displayed as Markdown, and can’t understand what the information is.

Note: Every time you open a notebook, you have to run all of the cells starting from the top.