Zach Miller ZWMiller
ZWMiller
/ speed_comparison.py
Created
November 29, 2017 22:48
Comparing tuple, list, and numpy array speeds
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| import numpy as np | |
| a = np.random.uniform(0,1,10000000) | |
| print(type(a)) | |
| b = a.tolist() | |
| print(type(b)) | |
| c = tuple(b) | |
| print(type(c)) | |
| %%timeit |
ZWMiller
/ simple_recommender.py
Created
November 17, 2017 20:35
Building a simple recommendation system with a toy dataset and SVD
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| import pandas as pd | |
| import numpy as np | |
| num_users = 10 | |
| num_items = 5 | |
| np.random.seed(42) | |
| def generate_users(num_users, num_items): | |
| data = [] | |
| for i in range(num_users): | |
| user = [np.random.randint(2) for _ in range(num_items)] |
ZWMiller
/ streamAudio.py
Created
June 19, 2017 16:36
Using Python to plot the current microphone's input and the Fourier Transform
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| try: | |
| import pyaudio | |
| import numpy as np | |
| import pylab | |
| import matplotlib.pyplot as plt | |
| from scipy.io import wavfile | |
| import time | |
| import sys | |
| import seaborn as sns | |
| except: |