ranjana roy chowdhury

Last seen: plus de 4 ans il y a Actif depuis 2019

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Need help coding a grading system to a data set.
if i have a matrix named A of dimension of 339 *5825,how do i randomly make 96% of the matrix 0 ?

presque 5 ans il y a | 0

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how to divide a data set randomly into training and testing data set?
the dataset is WS Dream dataset with 339*5825.The entries have values between 0 and 0.1,few entries are -1.I want to make 96% of...

presque 5 ans il y a | 0

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Partition of data based on percentages (for cross-validation)
i have a dataset of 339 * 5825,i want to initialize 4 % of the dataset values with 0 excludind the entries that have -1 in

presque 5 ans il y a | 0