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https://cs.nyu.edu/faculty/davise/ai/bayesText.html

public void normalize() {
        //
        // 拉普拉斯校訂:通常經過將全部的計數+1來進行。see: http://cs.nyu.edu/faculty/davise/ai/bayesText.html
        for (int r = 0; r < numberOfState; r++) {
            boolean gotZeroCount = false;
            for (int c = 0; c < numberOfState; c++) {
                if(table[r][c] == 0) {
                    gotZeroCount = true;
                    break;
                }
            }
            if (gotZeroCount) {
                for (int c = 0; c < numberOfState; c++) {
                    table[r][c] += 1;
                }
            }
        }
        // normalize
        for (int r = 0; r < numberOfState; r++) {
            double rowSum = getRowSum(r);
            for (int c = 0; c < numberOfState; c++) {
                table[r][c] = table[r][c] / rowSum;
            }
        }
    }