{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"094ce2a7-d7e6-4de6-a84c-9994a96a3c4a","title":"被算法操控的生活：重新定义精准广告、大数据和AI","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787571003012","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"094ce2a7-d7e6-4de6-a84c-9994a96a3c4a","id":"094ce2a7-d7e6-4de6-a84c-9994a96a3c4a","uuid":"094ce2a7-d7e6-4de6-a84c-9994a96a3c4a","title":"被算法操控的生活：重新定义精准广告、大数据和AI","normalized_title":"被算法操控的生活重新定义精准广告大数据和ai","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787571003012","isbns":["9787571003012"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":257,"navigation_url":"https://workshop.closeclaw.top/ai/book/094ce2a7-d7e6-4de6-a84c-9994a96a3c4a","title_url":"https://workshop.closeclaw.top/ai/title/%E8%A2%AB%E7%AE%97%E6%B3%95%E6%93%8D%E6%8E%A7%E7%9A%84%E7%94%9F%E6%B4%BB%EF%BC%9A%E9%87%8D%E6%96%B0%E5%AE%9A%E4%B9%89%E7%B2%BE%E5%87%86%E5%B9%BF%E5%91%8A%E3%80%81%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%92%8CAI","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/094ce2a7-d7e6-4de6-a84c-9994a96a3c4a/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/094ce2a7-d7e6-4de6-a84c-9994a96a3c4a/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/094ce2a7-d7e6-4de6-a84c-9994a96a3c4a","page_url":"https://workshop.closeclaw.top/api/ai/books/094ce2a7-d7e6-4de6-a84c-9994a96a3c4a/page","search_url":"https://workshop.closeclaw.top/api/ai/books/094ce2a7-d7e6-4de6-a84c-9994a96a3c4a/search"},"page":{"printed_page":38,"pdf_page":58,"physical_index":58,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"59ae9422255f3500a90edc955bc06277cc3a35b2431078f8fe6ee5629905c78f"},"chapter":"第3章你以为自己了解朋友？脸书比你更懂他们","content":"数据分析公司会使用一组人的拟合模型来推断其他人的偏好，以便做出预测。知道了一个人的年龄，他们就可以通过图5.1这个图表来查看\n\n那个人投票脱离欧盟的概率。根据这里做出的回归模型，他们可以推断出一个“典型的”22岁年轻人想要离开欧盟的概率约为36%，而一个“典型的”60岁老人想脱离欧盟的概率是62%。\n\n然而，回归模型并不能完美地代表真实的数据。在脱欧的民意调查中，18\\~24岁的人群里只有25%的人表示支持英国脱欧（图5.1)，所以这个模型稍微高估了年轻人想要脱欧的概率。这种不一致在试图用单一方程式呈现大量数据点（比如本例中人们的年龄和投票意图）的回归模型中很典型。但这只是一个提醒，并非严重的问题。这种不一致并不意味着模型是错的，它只是反映了回归方法的一般限制。小的不一致并不是大问题一—所有的模型在某种程度上都是错误的。但在当前的例子中，“错误”的数量尚在可接受的范围内。\n\n被算法操控的生活ITNUMBERED\n\n38","previous_page":37,"next_page":39}