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IFR报告:各国如何投资机器人研发
0 个回复 - 701 次查看
IFR报告:各国如何投资机器人研发
The Corona crisis highlights the important contribution that robots make to industry and to society. Research funding programs (R&D) are vital to enable and further su ...
2022-7-1 16:02 - hufg1983 - 现金交易版
【2000-2021】地级市逆温数据
0 个回复 - 615 次查看
【2000-2021】地级市逆温数据时间:2000-20221
范围:地级市
内容:逆温数据
说明:
数据集分析自NASA MERRA2卫星数据集,原始数据为全球42个气压层次下的气温,以6小时/次的频率采集,数据集代号M2I6NPANA。本数 ...
2022-7-1 08:54 - 往事从来123 - 现金交易版
The Best Strategies for Inflationary Times
2 个回复 - 525 次查看
【作者(必填)】Henry Neville, Teun Draaisma, Ben Funnell, Campbell R. Harvey and Otto Van Hemert
【文题(必填)】The Best Strategies for Inflationary Times
【年份(必填)】The Journal of Portfolio Ma ...
2021-7-14 17:38 - wangzt - 求助成功区
tvdiff做多期DID平行检验的问题-leads&time-trend
2 个回复 - 1285 次查看
求问各位大佬,我在用tvdiff做多期DID平行趋势检验时,Test for 'parallel trend' using the 'leads'是什么意思?Test for 'parallel trend' using the '
time-trend'又是什么意思?
我的多期DID在Test for 'paralle ...
2022-7-5 14:38 - 两条鱼er - Stata专版
时间管理-Good skills of time management
3 个回复 - 1030 次查看
时间管理-Good skills of
time management
时间管理-Good skills of
time management
时间管理-Good skills of
time management
时间管理-Good skills of
time management
时间管理-Good skills of
time m ...
2022-1-11 22:05 - Tiger-like - 现金交易版
我用双固定效应模型,发现time里有三个季度被omitted,求助解决方法,谢谢
4 个回复 - 2342 次查看
time是2019-2020两年内的八个季度,
命令是: xtreg margin lnassets cfmw lnm2 beta rcsi300 i.
time,fe r
显示如下:
note: 22006.
time omitted because of collinearity
note: 22097.
time omitted because of ...
2021-7-1 22:48 - rikaye - Stata专版
Introduction to time series using Stata
2 个回复 - 926 次查看
Introduction to
time series using Stata Revised Edition
SEAN BECKETTI
®A Stata Press Publication Stata
Corp LLC
College Station, Texas
Time-series analysis is a relatively new ...
2022-3-22 00:08 - 摩羯的相思 - Stata专版
Times模型
0 个回复 - 1234 次查看
基于TIMES模型的中国交通部门边际减排成本研究
基于中国TIMES模型的碳排放达峰路径
基于TIMES模型的客运交通低碳化研究——以北京市为例
2022-7-4 13:37 - Lyon0898 - 行为经济学与实验经济学
Hands-on Time Series Analysis with Python
4 个回复 - 3277 次查看
Learn the concepts of
time series from traditional to bleeding-edge techniques. This book uses comprehensive examples to clearly illustrate statistical approaches and methods of analyzing
time seri ...
2021-4-1 12:01 - 冰原小猪 - python论坛
You fall for it every time!
0 个回复 - 1400 次查看
今日打卡句子:
You fall for it every
time!你每次都会上当
重点表达Fall for: (a lie or trick) 信以为真,上当受骗例句I know it’s not true. I won't fall for it.剧本台词Joey: Hey Rach listen, did you ...
2022-5-14 14:04 - 杨明凡 - 外语学习
All in good time, my love.
0 个回复 - 1830 次查看
今日打卡句子:
All in good
time, my love.
别急,吾爱。
重点表达:All in good
time:
别着急,迟早
例句:- "I'm 35 years old—why aren't I married already?"- "Oh, sweetheart, all in good
time."
...
2022-5-8 09:59 - 杨明凡 - 外语学习
I may play the fool at times.
0 个回复 - 1789 次查看
I may play the fool at
times.
或许有时候我会装傻。
重点表达:Play the fool: 装疯卖傻例句:If you continue to play the fool, you're going to have to leave the classroom.
剧本台词Phoebe: Look, I fee ...
2022-5-7 07:42 - 杨明凡 - 外语学习