Дисперсия — ключевой статистический показатель, который помогает оценить изменчивость данных. Для дата-сайентистов она критична при:
В этой статье разберём, как правильно использовать дисперсию в Data Science и как она влияет на работу алгоритмов, например, в модели Random Forest.
👉 Читайте, чтобы понять, как измерять и учитывать дисперсию: https://proglib.io/sh/GDKYJQdAI2
Библиотека дата-сайентиста
BY Библиотека собеса по Python | вопросы с собеседований
Some messages aren’t supposed to last forever. There are some Telegram groups and conversations where it’s best if messages are automatically deleted in a day or a week. Here’s how to auto-delete messages in any Telegram chat. You can enable the auto-delete feature on a per-chat basis. It works for both one-on-one conversations and group chats. Previously, you needed to use the Secret Chat feature to automatically delete messages after a set time. At the time of writing, you can choose to automatically delete messages after a day or a week. Telegram starts the timer once they are sent, not after they are read. This won’t affect the messages that were sent before enabling the feature.
Telegram is a free app and runs on donations. According to a blog on the telegram: We believe in fast and secure messaging that is also 100% free. Pavel Durov, who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram.
Библиотека собеса по Python | вопросы с собеседований from hk