Transpose a DataFrame #618
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Probably not the best solution... but it can give some ideas for a possible implementation of a transpose method for DataFrame. <!DOCTYPE html>
<html lang="en">
<head>
<title>MWE</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous">
<body>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-C6RzsynM9kWDrMNeT87bh95OGNyZPhcTNXj1NW7RuBCsyN/o0jlpcV8Qyq46cDfL" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/lib/bundle.min.js"></script>
<script>
(function(window, document, undefined) {
// code that should be taken care of right away
window.onload = init;
function transpose(df) {
array = df.values;
transposed_array = array[0].map((_, colIndex) => array.map(row => row[colIndex]));
return new dfd.DataFrame(transposed_array, {index: df.columns, columns: df.index});
}
function init() {
console.log("init");
json_data = [{ A: 0.4612, B: 4.28283, C: -1.509, D: -1.1352 },
{ A: 0.5112, B: -0.22863, C: -3.39059, D: 1.1632 },
{ A: 0.6911, B: -0.82863, C: -1.5059, D: 2.1352 },
{ A: 0.4692, B: -1.28863, C: 4.5059, D: 4.1632 }];
df = new dfd.DataFrame(json_data, {index: [10, 11, 12, 13]});
df.print();
transpose(df).print();
}
})(window, document, undefined);
</script>
<h1>MWE</h1>
</body>
</html>here is console output |
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Hello,
it would be nice to add a
transposemethod to DanfoJS DataFrame similar to https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.transpose.htmlKind regards
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