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substitute for discretize command

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pavan sunder
pavan sunder 2016-11-18
评论： johnson saldanha 2018-11-6
discretize function was available in new version of matlab..but i have older version (R2014b)in my desktop. i cannot install new version into my desktop..please help my with an alternative function for discretize in matlab

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回答（1 个）

Walter Roberson
Walter Roberson 2016-11-18
For equal intervals, separated by delta:
discrete_x = floor( (x - minimum_allowed_x) ./ delta ) .* delta + minimum_allowed_x;
For unequal intervals in which the left edges are given by the vector edges and the last entry of edges is the upper bound:
[~, ~, bin] = histcounts( x, edges );
discrete_x = edges(bin);
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Walter Roberson
Walter Roberson 2016-12-20
[~, discrete_x] = histc(x, edges);
discrete_x(discrete_x == length(edges)) = length(edges)-1;
discrete_x(discrete_x == 0) = NaN;
johnson saldanha
johnson saldanha 2018-11-6
may i know how can i be able to get the 2nd column from the x matrix in discrete_x

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