tech.tablesaw.api.NumericColumn Maven / Gradle / Ivy

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package tech.tablesaw.api;

import tech.tablesaw.columns.Column;

/**
 * Functionality common to all numeric column types
 */
public interface NumericColumn extends Column {

    double[] toDoubleArray();

    float getFloat(int index);

    double max();

    double min();

    double product();

    double mean();

    double median();

    double quartile1();

    double quartile3();

    double percentile(double percentile);

    double range();

    double variance();

    double populationVariance();

    double standardDeviation();

    double sumOfLogs();

    double sumOfSquares();

    double geometricMean();

    /**
     * Returns the quadraticMean, aka the root-mean-square, for all values in this column
     */
    double quadraticMean();

    double kurtosis();

    double skewness();
}