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  • intuition - What is perplexity? - Cross Validated
    So perplexity represents the number of sides of a fair die that when rolled, produces a sequence with the same entropy as your given probability distribution Number of States OK, so now that we have an intuitive definition of perplexity, let's take a quick look at how it is affected by the number of states in a model
  • 如何评价perplexity ai,会是未来搜索的趋势吗? - 知乎
    Perplexity AI 不是搜索的终点,但可能是我们逃离“信息垃圾场”的起点。 它就像是搜索引擎界的 GPT-4:懂你说什么,还知道去哪儿找答案。 当然,要是它哪天推出 Pro 会员,也别忘了上拼团看看有没有便宜团能拼,不然 AI 会用,钱包也得会养哈哈~
  • 求通俗解释NLP里的perplexity是什么? - 知乎
    困惑度 Perplexity 是衡量语言模型好坏的指标,为了更好地理解其意义,首先有必要回顾熵的概念。 根据信息论与编码的知识,我们知道 熵代表着根据信息的概率分布对其编码所需要的最短平均编码长度。
  • 有问题,就会有答案 - 知乎
    知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎凭借认真、专业、友善的社区氛围、独特的产品机制以及结构化和易获得的优质内容,聚集了中文互联网科技、商业、影视
  • 如何评价 Perplexity 消除了 DeepSeek 的审查以提供 . . . - 知乎
    如何评价 Perplexity 消除了 DeepSeek 的审查以提供公正、准确的回答? Perplexity: 我们很高兴地宣布,全新 DeepSeek R1 模型现已在所有 Perplexity 平台上线。 您可以在网页、移动设备或 Ma…
  • Perplexity formula in the t-SNE paper vs. in the implementation
    The perplexity formula in the official paper of t-SNE IS NOT the same as in its implementation In the implementation (MATLAB): % Function that computes the Gaussian kernel values given a vector of % squared Euclidean distances, and the precision of the Gaussian kernel
  • How to find the perplexity of a corpus - Cross Validated
    Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
  • Finding the perplexity of multiple examples - Cross Validated
    I am trying to find a way to calculate perplexity of a language model of multiple 3-word examples from my test set, or perplexity of the corpus of the test set As the test set, I have a paragraph which I've split into 3-word examples like this: if the corpus is "Hello my name is Jack ", my 3-word examples would be "Hello my name", "my name is


















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