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摘要: StatisticSolution Accuracy (85 + 10) / (1000) = .095 Precision (85) / (85 + 890) = 0.087 Recall There are 85 true positives and 15 false negatives, so 阅读全文
posted @ 2020-09-27 03:16 Zhentiw 阅读(275) 评论(0) 推荐(0)
摘要: Recoil offers several hooks to use for consuming state in React, and this lesson looks at how to choose which hook to use, and what happens when you d 阅读全文
posted @ 2020-09-27 00:55 Zhentiw 阅读(210) 评论(0) 推荐(0)
摘要: Training an algorithm on a very few number of data points (such as 1, 2 or 3) will easily have 0 errors because we can always find a quadratic curve t 阅读全文
posted @ 2020-09-25 15:29 Zhentiw 阅读(139) 评论(0) 推荐(0)
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posted @ 2020-09-22 18:24 Zhentiw 阅读(109) 评论(0) 推荐(0)
摘要: In this section we examine the relationship between the degree of the polynomial d and the underfitting or overfitting of our hypothesis. We need to d 阅读全文
posted @ 2020-09-22 15:44 Zhentiw 阅读(326) 评论(0) 推荐(0)
摘要: Just because a learning algorithm fits a training set well, that does not mean it is a good hypothesis. It could over fit and as a result your predict 阅读全文
posted @ 2020-09-21 23:03 Zhentiw 阅读(236) 评论(0) 推荐(0)
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posted @ 2020-09-16 03:45 Zhentiw 阅读(139) 评论(0) 推荐(0)
摘要: First, pick a network architecture; choose the layout of your neural network, including how many hidden units in each layer and how many layers in tot 阅读全文
posted @ 2020-09-16 03:32 Zhentiw 阅读(162) 评论(0) 推荐(0)
摘要: section img { --aspect-ratio: calc( 4 / 3); --height: 30vmin; --width: calc(var(--height) * var(--aspect-ratio)); height: var(--height); width: var(-- 阅读全文
posted @ 2020-09-15 23:42 Zhentiw 阅读(154) 评论(0) 推荐(0)
摘要: As you can see "Characters" take two params, page & filter. Here use two alias: allChars: characters fullNmae: name. Alias is also useful when you nee 阅读全文
posted @ 2020-09-15 23:32 Zhentiw 阅读(204) 评论(0) 推荐(0)
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