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#artificialintelligence

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"She asked follow-up questions and requested guidance on food, exercise, and medications... She uploaded her ultrasound scans and lab reports. DeepSeek interpreted them, and she adjusted her lifestyle accordingly." —Viola Zhou for Rest of World restofworld.org/2025/ai-chatbo #artificialintelligence #deepseek #healthcare

An abstract digital representation of a humanoid figure with a faceless head, featuring a rectangular display emitting pixels and color fragments, surrounded by flowing lines and geometric shapes in a soft gradient background.
Rest of World · My mom and Dr. DeepSeekIn China and around the world, the sick and lonely turn to AI.

如何建構美國失業率的機率模型?機率模型最後要有數學式顯示,不能只是圖形。

1) 直方圖?別想了,沒有數學式。只是圖像視覺化,不是數據分析,也不是人工智慧該有的數據模型。【不合格】
2) 用直方圖的組中點和對應機率值?11組可以使用AI-based piecewise linear regression method的結果是兩段直線。整體的R2達73%。【合格】
3) 建立更多分組的直方圖產生組中點與機率值。運用AI-based piecewise linear regressin method,產生9段直線。整體的R2達93%。【合格】
4) 運用適合度檢定,檢定45種機率分配?發現美國失業率的機率模型服從Gumbel,type I(a=0.68,b=27.82)。根據a值升序模擬產生條件機率分配。【合格】

@academicchatter @econometrics @ida

#AI#數據分析#失業

Africa: AI Has a Hidden Water Cost - Here's How to Calculate Yours: [The Conversation Africa] Artificial intelligence systems are thirsty, consuming as much as 500 milliliters of water - a single-serving water bottle - for each short conversation a user has with the GPT-3 version of OpenAI's ChatGPT system. They use roughly the same amount of water to draft a 100-word email message. newsfeed.facilit8.network/TMrY #ArtificialIntelligence #AIEnergyConsumption #WaterUsage #Sustainability #EcoFriendlyTech