Java Array Normalize normalizeContingencyTable(final int[][] table)

Here you can find the source of normalizeContingencyTable(final int[][] table)

Description

Normalize the table so that the entries are not too large.

License

Open Source License

Parameter

Parameter Description
table the original table

Return

a normalized version of the table or the original table if it is already normalized

Declaration

protected static int[][] normalizeContingencyTable(final int[][] table) 

Method Source Code

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public class Main {
    protected static final int ARRAY_DIM = 2;
    private static final double TARGET_TABLE_SIZE = 200.0;

    /**
     * Normalize the table so that the entries are not too large.
     * Note that this method does NOT necessarily make a copy of the table being passed in!
     *
     * @param table  the original table
     * @return a normalized version of the table or the original table if it is already normalized
     */
    protected static int[][] normalizeContingencyTable(final int[][] table) {
        final int sum = table[0][0] + table[0][1] + table[1][0]
                + table[1][1];
        if (sum <= TARGET_TABLE_SIZE * 2)
            return table;

        final double normalizationFactor = (double) sum / TARGET_TABLE_SIZE;

        final int[][] normalized = new int[ARRAY_DIM][ARRAY_DIM];
        for (int i = 0; i < ARRAY_DIM; i++) {
            for (int j = 0; j < ARRAY_DIM; j++)
                normalized[i][j] = (int) (table[i][j] / normalizationFactor);
        }

        return normalized;
    }
}

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  5. normalizeComponentsOverwrite(float[][][][] in)
  6. normalizeCoordsSum(float[] vector, float newSum)
  7. normalizedBySum(double[] values)
  8. normalizedTermMu(double ui, double[] uis)
  9. normalizeFloatArray(float[] buffer, float peak, float target)