Dataset : https://www.kaggle.com/c/digit-recognizer/data?select=train.csv
Data Description
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The data file train.csv contain gray-scale images of hand-drawn digits, from zero through nine.
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Each image is 28 pixels in height and 28 pixels in width, for a total of 784 pixels in total.
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Each pixel has a single pixel-value associated with it, indicating the lightness or darkness of that pixel, with higher numbers meaning darker.
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This pixel-value is an integer between 0 and 255, inclusive.
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The training data set, (train.csv), has 785 columns.