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Monthly Archives: October 2021
plotly 箱型图的使用-股指期货跨期价差变化
最近在更新一下技能树,工作之后,实际上更多的就是增加了经验,技能本身的增加少之又少。 有些技能,比如数学公式推导功力,绝对是在退化,不过好歹见识是增加了,记忆里还行,软件使用的基本影响都还在。 此前画图一直用matplotlab和seaborn,最近一段时间发现plotly已经显著的比这两个基本工具更优,于是找了个自己一直关系的话题,用这个软件重新练了下手。 IC IF
Posted in 学术研究
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实证手段论证社会热点
因为京东最近搞活动,所以连着看了好几本今年出来的书。这本是《大侦探经济学》 一般来说,除非是和工作相关,否则很少看年内出的新书,无他,就是因为要花钱。 因为也在学术刊物发过论文,所以对本书核心话题因果推断并不陌生,因此对于文中的工具描述理解起来没有难度,而文中反复多次的《女士饮茶》,自己都不记得什么时候看过,当时以为是小说,对其中的数量影响非常稀薄。 作者这本书里面,我个人觉得在普及实证分析方法上面,如果是没有接触过的,理解起来并不容易。但是作者精心挑选的议题,却让我有所收获。 我印象最深的就是论证资本主义和新教伦理没啥关系,马克思韦伯的分析是错的,那么我们这些不信教的照样可以把资本主义搞好就是言下之意了。 还有对美国贫富差距扩大的论证,完全切合当下的热点,美国人正在寻找共同富裕的道路,而我们可能还没分析好走什么道路比较合适,但是知道山就在那,不管路是什么样,已经迈开脚走上了。 还有原来对北京雾霾和取暖政策的实证,已经有确定性的结果了,诸如此类的时政议题,就是几年前的热点,但是热点消逝之后,很多学者给出了确定性的解释,却因为随着媒体关注度的消失,没有被推到大众眼前,这其实是有点可惜的,而本书把对这些议题最前沿的论证汇集编排,让学术圈外的人看到,本身就很有价值。