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推荐一篇博客,作者介绍在 DS 项目中写测试。毕竟 ML 的项目测试起来和传统的程序不是太一样,除了最基础的 assert, pytest 这些之外对数据的分布和数据一些统计指标也需要做测试。文中提到的几个工具 HypothesisPandera 我都是用过的,Pandera 很好用,也可以原生集成给 Pandas/Koalas(Koalas 也是我配合 PySpark 最常用的 DataFrame 工具)。https://www.peterbaumgartner.com/blog/testing-for-data-science/



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推荐一篇博客,作者介绍在 DS 项目中写测试。毕竟 ML 的项目测试起来和传统的程序不是太一样,除了最基础的 assert, pytest 这些之外对数据的分布和数据一些统计指标也需要做测试。文中提到的几个工具 HypothesisPandera 我都是用过的,Pandera 很好用,也可以原生集成给 Pandas/Koalas(Koalas 也是我配合 PySpark 最常用的 DataFrame 工具)。https://www.peterbaumgartner.com/blog/testing-for-data-science/

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Telegram auto-delete message, expiring invites, and more

elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.

The global forecast for the Asian markets is murky following recent volatility, with crude oil prices providing support in what has been an otherwise tough month. The European markets were down and the U.S. bourses were mixed and flat and the Asian markets figure to split the difference.The TSE finished modestly lower on Friday following losses from the financial shares and property stocks.For the day, the index sank 15.09 points or 0.49 percent to finish at 3,061.35 after trading between 3,057.84 and 3,089.78. Volume was 1.39 billion shares worth 1.30 billion Singapore dollars. There were 285 decliners and 184 gainers.

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