/// <summary>
/// 将样本集划分为两个子集
/// </summary>
/// <param name="ratioOfFirstGroup">第一个子集的占比</param>
/// <param name="ratioOfSecondGroup">第二个子集的占比</param>
/// <param name="method">切分方法</param>
/// <param name="firstGroup">第一个子集</param>
/// <param name="secondGroup">第二个子集</param>
public void DivideIntoTwo(int ratioOfFirstGroup, int ratioOfSecondGroup, CollectionDividingMethod method, out SampleCollection firstGroup, out SampleCollection secondGroup)
{
this.DivideByRatioAndMethod(ratioOfFirstGroup, ratioOfSecondGroup, method, out List <Sample> samples1, out List <Sample> samples2);
firstGroup = new SampleCollection(samples1);
secondGroup = new SampleCollection(samples2);
}
/// <summary>
/// 将一个集合分割为两个集合
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="collection"></param>
/// <param name="method">分割方法</param>
/// <param name="ratioOfFirstGroup">一个整数, 第一个集合占的比例</param>
/// <param name="ratioOfSecondGroup">一个整数, 第二个集合占的比例</param>
/// <returns></returns>
public static (List <T> firstGroup, List <T> secondGroup) DivideByRatioAndMethod <T>(this ICollection <T> collection, CollectionDividingMethod method, int ratioOfFirstGroup, int ratioOfSecondGroup)
{
/// <summary> /// 将一个集合分割为两个集合 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="collection"></param> /// <param name="ratioOfFirstGroup">一个整数, 第一个集合占的比例</param> /// <param name="ratioOfSecondGroup">一个整数, 第二个集合占的比例</param> /// <param name="method">分割方法</param> /// <param name="firstGroup">第一个集合</param> /// <param name="secondGroup">第二个集合</param> /// <remarks> /// Returning IList is bad design, so this is not recommended in net40+, use tuple-returning instead. /// </remarks> public static void DivideByRatioAndMethod <T>(this ICollection <T> collection, int ratioOfFirstGroup, int ratioOfSecondGroup, CollectionDividingMethod method, out IList <T> firstGroup, out IList <T> secondGroup) => //List<T> first = new(), second = new(); //divide(collection, method, ratioOfFirstGroup, ratioOfSecondGroup, first, second); //firstGroup = first; //secondGroup = second; (firstGroup, secondGroup) = DivideByRatioAndMethod(collection, method, ratioOfFirstGroup, ratioOfSecondGroup);
