checkState(count() > 1);
    return sumOfProductsOfDeltas / (count() - 1);
  }

  /**
   * Returns the <a href="http://mathworld.wolfram.com/CorrelationCoefficient.html">Pearson's or
   * product-moment correlation coefficient</a> of the values. The count must greater than one, and
   * the {@code x} and {@code y} values must both have non-zero population variance (i.e. {@code

        axesSizeProduct[i] = IntMath.checkedMultiply(axesSizeProduct[i + 1], axes.get(i).size());
      }
    } catch (ArithmeticException e) {
      throw new IllegalArgumentException(
          "Cartesian product too large; must have size at most Integer.MAX_VALUE");
    }
    this.axesSizeProduct = axesSizeProduct;
  }

  private int getAxisIndexForProductIndex(int index, int axis) {

    //                                                                          ==========
    protected final String _tableDbName = "bad_word";
    protected final String _tableDispName = "bad_word";
    protected final String _tablePropertyName = "BadWord";

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override

    //                                                                          ==========
    protected final String _tableDbName = "failure_url";
    protected final String _tableDispName = "failure_url";
    protected final String _tablePropertyName = "FailureUrl";

    public String getTableDbName() {
        return _tableDbName;
    }

    @Override

    @Resource
    protected FessLoginAssist fessLoginAssist;

    @Resource
    protected SessionManager sessionManager;

    @Resource
    protected FessConfig fessConfig;

    @Resource
    protected ActivityHelper activityHelper;

    @Resource
    protected ResponseManager responseManager;

    @Resource
    protected TimeManager timeManager;

    @Resource

/*
 * Copyright 2012-2024 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

/*
 * Copyright 2012-2024 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

Additional Resources
--------------------

+ [Contributing patches](https://maven.apache.org/guides/development/guide-maven-development.html#Creating_and_submitting_a_patch)
+ [Apache Maven JIRA project page](https://issues.apache.org/jira/projects/MNG/)
+ [Contributor License Agreement][cla]
+ [General GitHub documentation](https://help.github.com/)

     *
     * @return an {@link Optional} containing the file path, or empty if not set
     */
    @Nonnull
    Optional<String> altUserSettings();

    /**
     * Returns the path to an alternate project settings file.
     *
     * @return an {@link Optional} containing the file path, or empty if not set
     */
    @Nonnull
    Optional<String> altProjectSettings();

    /**

            cmdAndArguments.add("--resume-from");
            cmdAndArguments.add(mavenOptions.resumeFrom().get());
        }
        if (mavenOptions.projects().isPresent()) {
            cmdAndArguments.add("--projects");
            cmdAndArguments.add(String.join(",", mavenOptions.projects().get()));
        }
        if (mavenOptions.alsoMake().orElse(false)) {
            cmdAndArguments.add("--also-make");
        }