Typos and errors in nb_ch02_01.ipynb

[welshboi]

• linar --> linear
• curtosis --> kurtosis
• exactely --> exactly
• performace --> performance
• featues --> features

• Here we use extract the two features and the label of the dataset --> # Here we extract the two features and the label of the dataset

• seperation --> separation
• seperate --> separate

• training of the model using the training data stored in X and Y for 4100 epochs --> # training of the model using the training data stored in X and Y

• this values can vary --> these values can vary
• descriped --> described
• Definition of the network with two hidden layers --> Definition of the network with two layers (note: there is only 1 hidden layer)
• paramters --> parameters
• alot --> a lot
• leraning --> learning