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تغییرات CFA2023 نسبت به 2022
تقریبا در دنیای مالی، کسی نیست که CFA را نشناسد. CFA به عنوان یکی از مهم ترین آزمون های تعیین سطح متخصصین مالی، از سال 2020 بود که مباحث داده های بزرگ و یادگیری ماشین و کاربرد آنها به مباحث روش های کمی (Quantitative Methods) اضافه کرد. (این پست)
در ویرایش 2023 CFA دو تغییر عمده در درس روش های کمی انجام شده است. یکی اینکه کدهای پایتون برای تحلیل مسائل به اضافه شده است. و دوم اینکه رگرسیون چندعاملی به مباحث اضافه شده است. برای آشنایی بیشتر شما، تغییرات کلی CFA 2023 را نسبت به 2022 قرار می دهم و در پست های آتی کتاب های روش های کمی مقدماتی و پیشرفته را تقدیم خواهم کرد.
#CFA

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6.9K viewsJun 23, 2023 at 19:02

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Create: 2023-06-23
Last Update: 2025-07-05 09:52:13

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Should I buy bitcoin?

“To the extent it is used I fear it’s often for illicit finance. It’s an extremely inefficient way of conducting transactions, and the amount of energy that’s consumed in processing those transactions is staggering,” the former Fed chairwoman said. Yellen’s comments have been cited as a reason for bitcoin’s recent losses. However, Yellen’s assessment of bitcoin as a inefficient medium of exchange is an important point and one that has already been raised in the past by bitcoin bulls. Using a volatile asset in exchange for goods and services makes little sense if the asset can tumble 10% in a day, or surge 80% over the course of a two months as bitcoin has done in 2021, critics argue. To put a finer point on it, over the past 12 months bitcoin has registered 8 corrections, defined as a decline from a recent peak of at least 10% but not more than 20%, and two bear markets, which are defined as falls of 20% or more, according to Dow Jones Market Data.

How Does Bitcoin Mining Work?

Bitcoin mining is the process of adding new transactions to the Bitcoin blockchain. It’s a tough job. People who choose to mine Bitcoin use a process called proof of work, deploying computers in a race to solve mathematical puzzles that verify transactions.To entice miners to keep racing to solve the puzzles and support the overall system, the Bitcoin code rewards miners with new Bitcoins. “This is how new coins are created” and new transactions are added to the blockchain, says Okoro.