{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"cd4f7678-cd9b-4971-bde0-e9ad46a6cc71","title":"人工智能与大数据技术导论","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787302517986","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"cd4f7678-cd9b-4971-bde0-e9ad46a6cc71","id":"cd4f7678-cd9b-4971-bde0-e9ad46a6cc71","uuid":"cd4f7678-cd9b-4971-bde0-e9ad46a6cc71","title":"人工智能与大数据技术导论","normalized_title":"人工智能与大数据技术导论","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787302517986","isbns":["9787302517986"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":490,"navigation_url":"https://workshop.closeclaw.top/ai/book/cd4f7678-cd9b-4971-bde0-e9ad46a6cc71","title_url":"https://workshop.closeclaw.top/ai/title/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD%E4%B8%8E%E5%A4%A7%E6%95%B0%E6%8D%AE%E6%8A%80%E6%9C%AF%E5%AF%BC%E8%AE%BA","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/cd4f7678-cd9b-4971-bde0-e9ad46a6cc71/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/cd4f7678-cd9b-4971-bde0-e9ad46a6cc71/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/cd4f7678-cd9b-4971-bde0-e9ad46a6cc71","page_url":"https://workshop.closeclaw.top/api/ai/books/cd4f7678-cd9b-4971-bde0-e9ad46a6cc71/page","search_url":"https://workshop.closeclaw.top/api/ai/books/cd4f7678-cd9b-4971-bde0-e9ad46a6cc71/search"},"page":{"printed_page":337,"pdf_page":353,"physical_index":353,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"cae6b06d07a9534cf15d42c42a8dbdec0b554288196b252a912ba3b846ca4aa6"},"chapter":"第10章","content":"通过选择其他方式来转换这些特征，可能会获得更好的效果。例如，对数缩放可能对某些特征有帮助。或者，截取极端值可能会使剩余部分的信息更加丰富。\n\n上述代码包含一些额外的标准化函数。我们可尝试其中的某些函数，或添加自己的函数。要注意的是，若将目标标准化，则需要将网络的预测结果非标准化，以便比较损失函数的值。以上这些只是我们能想到的处理数据的几种方法，其他转换方式可能会更好。households、median\\_income和total\\_bedrooms在对数空间内均呈正态分布。如果latitude、longitude和housing\\_median\\_age像之前一样进行线性缩放，效果可能会更好。population、total\\_rooms和rooms\\_per\\_person具有几个极端离群值。这些值似乎过于极端，以至于我们无法利用对数标准化处理这些离群值。因此，我们直接截取掉这些值。\n\n第10章 神经网络\n\n337","previous_page":336,"next_page":338}