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Create: 2024-03-27 Update: 2025-06-30 02:32:56

انتخاب داده، نمونه گیری و بازنمونه گیری در یادگیری ماشین
انتخاب داده ها، نمونه گیری (Sampling) و بازنمونه گیری (Resampling) داده ها از مباحث بسیار ضروری در یاگیری ماشین است. در این ویدئو مثل همیشه با نگاهی کاربردی (و نه آماری تخصصی) به موارد زیر خواهیم پرداخت:
🖊شیوه صحیح انتخاب داده های Train و Test
🖊شیوه نمونه گیری (Sampling)
🖊روش های نمونه گیری مجدد (Resampling)
🖊جایگشت (Permutation)
🖊اعتبار سنجی متقابل Cross-validation (CV)
🖊جک نایف (Jackknife)
🖊بوت استرپ (Bootstrap)

➖ برای مشاهده ویدئو اینجا کیک کنید

#پایتون_مالی
#انتخاب_داده
#نمونه_گیری
#یادگیری_ماشین
#ویدئو
#Algorithmic_Trading
#Sampling
#Reampling
#Machine_Learning
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How Do Japanese Show They Care? By Sending a Telegram.

TOKYO — When he got married this summer, Hiroshi Kanno, who works at a security services firm in Tokyo, wanted to make a big statement that would impress his future in-laws. So he asked for his company’s president to send a congratulatory telegram. It arrived during the wedding party and was read aloud. “It really pumped up the atmosphere,” Mr. Kanno, 33, said. “I felt like a celebrity,” added his wife, Asuka, a 31-year-old office administrator. They posted photos of that message and another wedding telegram on Twitter, along with the his-and-her Hello Kitty dolls that were delivered with the notes.

انتخاب داده، نمونه گیری و بازنمونه گیری در یادگیری ماشین

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