Numpy (45)

How to find the most frequent value in a numpy array?

# Input:
url = 'https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data'
iris = np.genfromtxt(url, delimiter=',', dtype='object')

# Solution:
vals, counts = np.unique(iris[:, 2], return_counts=True)
print(vals[np.argmax(counts)])

# output
b'1.5'