You will learn how to count the number of zeros in an array using two different Python methods: count_nonzero and where.
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How to count number of zeros in Numpy array?
Let’s check how many zeros there are in your array. We will use the Numpy count_nonzero function. Counting zero elements in arrays is used for tasks such as identifying missing data points (where zeros might represent null values) or analyzing data distributions where the presence of zeros is significant.
Frequency and percentage of given letter in the text
You will learn how to calculate the frequency and percentage of a given letter in a text using Python.