added stock prediction README & fixed kmeans tutorial code

Author: x4nth055

machine-learning/kmeans-image-segmentation/kmeans_segmentation.py

@@ -28,8 +28,11 @@
 # convert back to 8 bit values
 centers = np.uint8(centers)
 
+# flatten the labels array
+labels = labels.flatten()
+
 # convert all pixels to the color of the centroids
-segmented_image = centers[labels.flatten()]
+segmented_image = centers[labels]
 
 # reshape back to the original image dimension
 segmented_image = segmented_image.reshape(image.shape)
@@ -38,10 +41,14 @@
 plt.imshow(segmented_image)
 plt.show()
 
-# disable only the cluster number 2
+# disable only the cluster number 2 (turn the pixel into black)
 masked_image = np.copy(image)
+# convert to the shape of k clusters
+masked_image = masked_image.reshape((-1, k))
 masked_image[labels == 2] = [0, 0, 0]
 
+# convert back to original shape
+masked_image = masked_image.reshape(image.shape)
 # show the image
 plt.imshow(masked_image)
 plt.show()

machine-learning/stock-prediction/README.md

@@ -2,5 +2,5 @@
 
 To run this:
 - `pip3 install -r requirements.txt`
-- Please read the tutorial before using this, edit `parameters.py` for your needs and run `train.py`. This will start training using the parameters you specified, you can use `tensorboard` on `logs` folder to visualize your training process.
+- Please read the [tutorial](https://www.thepythoncode.com/article/stock-price-prediction-in-python-using-tensorflow-2-and-keras) before using this, edit `parameters.py` for your needs and run `train.py`. This will start training using the parameters you specified, you can use `tensorboard` on `logs` folder to visualize your training process.
 - Once you trained your model, use `test.py` to evaluate and test your model.