94 lines
No EOL
2.3 KiB
JavaScript
94 lines
No EOL
2.3 KiB
JavaScript
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// derived from https://git.dervland.net/biglyderv/new-bigly-chat/src/branch/master/docs/stats.php
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function rankCalc(result, iterations = 10) {
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let matrixe = {}
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let fng = {};
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let fnc = {};
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let frs = {};
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let msum_old = 0.001;
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let pr = {};
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for (let unn in result) {
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matrixe[unn] = {};
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matrixe[unn][unn] = 1;
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frs[unn] = result[unn].followers;
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fng[unn] = result[unn].following;
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fnc[unn] = Object.keys(fng[unn]).length;
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pr[unn] = 1;
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}
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for (let unn in result) {
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let fnu = frs[unn];
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for (let follow of fnu) {
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if (follow == unn) continue;
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let dst = fnc[fnu] || 0;
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matrixe[unn][follow] = 1 + 0.1 / (dst + 10);
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msum_old += matrixe[unn][follow];
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}
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for (let unn2 in result) {
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if (!matrixe[unn][unn2]) {
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matrixe[unn][unn2] = 0;
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}
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}
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}
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let mm = (process.env.matrixIterations || iterations);
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for (let i = 0; i < mm; i++) {
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let prold = pr;
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let matrixf = matrixe;
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pr = [];
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matrixe = [];
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let msum = 1;
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let intv = Math.pow(1/1000,Math.pow(0.25, i / Math.sqrt(mm)));
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console.log(`Completed ${i} iterations with ${intv} threshold`)
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for (let una in result) {
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pr[una] = 0;
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matrixe[una] = [];
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if (frs[una].length == 0) {
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matrixe[una] = matrixf[una];
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continue;
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}
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for (let unb in result) {
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let prb = prold[unb];
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matrixe[una][unb] = 0.03;
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if (prb < intv || fnc[unb] == 0) {
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continue;
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}
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for (let unc in result) {
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matrixe[una][unb] += matrixf[una][unc] * matrixf[unc][unb];
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}
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msum += matrixe[una][unb];
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pr[una] += prb * matrixe[una][unb];
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}
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}
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for (let una in result) {
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if ((frs[una]).length == 0) continue;
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for (let unb in result) {
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matrixe[una][unb] *= msum_old / msum;
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}
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}
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let new_sum = Object.values(pr).reduce((a, b) => a + b, 0)
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for (let unn in result) {
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pr[unn] /= new_sum;
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}
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}
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return pr;
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}
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export {
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rankCalc
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} |