Suppose you have two sinusoidal functions with the same frequency ω but with different phases and different amplitudes: f(t) =…

Continue Reading# frequency

## A brief comment on hysteresis

You might hear hysteresis described as a phenomena where the solution to a differential equation depends on its history. But…

Continue Reading## Determining fundamental frequency

One purpose might be pitch detection. When several frequencies are combined that are small integer multiples of a fundamental frequency,…

Continue Reading## Transforming tokens into useful features (BOW, TF-IDF)

Actually, you can easily come to an idea that you should look at token pairs, triplets, or different combinations (extracting…

Continue Reading## NLP: Text Mining Algorithms

NLP: Text Mining AlgorithmsExplaining N-Grams, Bag Of Words (BoW) and Term Frequency-Inverse Document Frequency (TF-IDF) algorithms and their implementation in PythonFarhad…

Continue Reading## Text Summarization using TF-IDF

Those Who Are ': {'resili': 0. 03225806451612903, 'stay': 0. 03225806451612903, 'game': 0. 03225806451612903, 'longer': 0. 03225806451612903, '“': 0. 03225806451612903, 'mountain':…

Continue Reading## Modeling 101

Because I do modeling. Obviously, Ive never done that sort of modeling, but it may not be obvious to everyone…

Continue Reading## Insight to the Fourier Transform and The Simple Implementation of It

In the real world, we will not extract it using a vanilla DFT instead we using Fast Fourier Transform (FFT).…

Continue Reading## Exploration and Visualization on each Presidential Candidate Supporter’s Tweets in Indonesia

Remember that the result of the analysis will not be seen only for you. The result will be seen by…

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