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求助stata中括号内的含义,ela[1,`i\'] 表示什么,有人知道吗?
3 个回复 - 1359 次查看
scalar i = 0
matrix
ela = (0.736, 0.813)
scalar sc_a = 0.41
forvalue i = 1/2 {
g nBAi' = nL/nK * ((1-sc_a)/sc_a * alpha/(1-alpha))^(
ela[1,i’]/(
ela[1,i'] - 1)) g nDi’ = 1/delta * sc_a/(1 - sc_a) * ( ...
2022-12-29 23:04 - 阿蛋在呢 - Stata专版
威科夫方法:使用相对强弱工具(Relative Strength),把握市场节奏
2 个回复 - 1784 次查看
In stock chart analysis the closest thing to X-Ray vision is R
elative Strength. Often R
elative Strength provides us with early price direction clues. Generally, when R
elative Strength (RS) is in a r ...
2022-9-18 21:38 - jim2020 - 量化投资
Nonlinear Elastic Waves in Materials
5 个回复 - 432 次查看
Title: Nonlinear Elastic Waves in Materials
Author(s): Jeremiah J. Rushchitsky (auth.)
Series: Foundations of Engineering Mechanics
Publisher: Springer International Publishing
Year: 2014
Edit ...
2018-11-27 21:40 - zhongdian_sjtu - 经管书评
第6版International Relations Theory
5 个回复 - 1045 次查看
第6版International R
elations Theory
作者: Mark V Kauppi, Paul R Viottl
出版时间:2019年08月
内容简介:Theory meets intellectual history in this new and expanded edition of International R
ela ...
2021-8-29 10:05 - douer2016007 - 管理科学
关系函数related的用法
0 个回复 - 534 次查看
RELATED
功能:把维度表中的数据匹配到事实表中,也就是沿着多端数据找一端的数据,但是前提是两个表已经建立关系
语法:RELATED(列名)
参数:列名是维度表中的列
返回:一列
注意:只用于计算列
举例:在销售 ...
2022-10-26 10:17 - 我是小趴菜 - 数据分析与数据挖掘