一个 Time series 数据集补空的工具，集成了几乎全部所需的统计方法，transform 上也是该有的都用，Box-Cox 什么的，几乎不需要底层的那些 DS工具包了，api上兼容了 scikit-learn，用法和功能和 R 里面的auto.arima 一样，只多不少。https://github.com/alkaline-ml/pmdarima
BY Data Science Archive
Secret Chats are one of the service’s additional security features; it allows messages to be sent with client-to-client encryption. This setup means that, unlike regular messages, these secret messages can only be accessed from the device’s that initiated and accepted the chat. Additionally, Telegram notes that secret chats leave no trace on the company’s services and offer a self-destruct timer.
To pay the bills, Mr. Durov is issuing investors $1 billion to $1.5 billion of company debt, with the promise of discounted equity if the company eventually goes public, the people briefed on the plans said. He has also announced plans to start selling ads in public Telegram channels as soon as later this year, as well as offering other premium services for businesses and users.
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