假设中性突变的频率分别为P和1-P,则其突变年龄为:-4Ne[p*( logep)+(1-p)* loge (1-p)] The average age of a neutral two-allele polymorphism with frequencies p and is 1-p:-4Ne[p*( logep)+(1-p)* loge (1-p)]; 这里,Ne为有效群体大小,假定一个群体的有效群体大小是5000,某个SNP突变频率分别为0.1和0.9,则其突变年龄为: -4*5000*(…
#region Linq to 泛型集合查询集合包括大写M和年龄小于等于18 //List<Student> list = new List<Student>(); //list.Add(new Student { Name = "Tom", Age = 17 }); //list.Add(new Student { Name = "Jerry", Age = 16 }); …
SELECT CASE WHEN (age >= 10 AND age <= 20) THEN '10-20' WHEN (age >= 21 AND age <= 30) THEN '21-30' ELSE '30-' END 'eag_layer', count(*) emps FROM address_book GROUP BY CASE WHEN (age >= 10 AND age <= 20) THEN '10-20' WHEN (age >= 21…
更多来自: www.vipcoursea.com Ethics 部分 Objective of codes and standard:永远是为了maintain public trust in 1.Financial market 2.Investment profession 6个code of ethics 1.Code 1—ethics and pertinent d persons a. 2.Code 2---primacy of client’s interest a.Int…