numpy.allclose(a, b, rtol=1e-05, atol=1e-08, equal_nan=False)[source]
所谓量化交易(自动化交易),是在交易阶段由计算机自动进行的一种investment模式,它是对人类的investment理念进行规范化、变量化、模型化,形成一整套可量化的操作理念,并用历史数据进行分析和验证。所谓合约,其核心就是根据行...
set是一种很有用的数据结构,sets看起来和lists很像,不同的是sets里不能有重值,在许多情况下有用,
Problem 6 Sum square difference The sum of the squares of the first ten natural numbers is: 1 ...
集合的差集–difference函数什么是差集a, b两个集合 , 由所有属于a且不属于b的元素组成的集合叫做a与b的差集
Object oriented classes work much like classes in other languages. Learn how to create them and use them, learn the difference between class variables and insta...
Given an array of integers, find out whether there are two distinct indices i and j in the array such that the difference between numsi and numsj is at most t a...
Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that numsi = numsj and the difference bet...
这个是单细胞自身特性导致,它两个分组的细胞数量太多,大概率会导致p值过于显著,无限接近于0。我们以 SeuratData包里面的 pbmc3k 数据集举例说明:
这个是单细胞自身特性导致,它两个分组的细胞数量太多,大概率会导致p值过于显著,无限接近于0。我们以 SeuratData包里面的 pbmc3k 数据集举例说明: