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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。
- 求通俗解释NLP里的perplexity是什么？ - 知乎
所以在给定输入的前面若干词汇即给定历史信息后，当然语言模型等可能性输出的结果个数越少越好，越少表示模型就越知道对给定的历史信息 \ {e_1\cdots e_ {i-1}\} ，应该给出什么样的输出 e_i ，即 perplexity 越小，表示语言模型越好。
- Comparing Perplexities With Different Data Set Sizes
7 I am currently doing research comparing language modelling in English to language modelling in programming languages (namely Java) using perplexity as the metric for the language model being used My question is whether different data set sizes will invalidate the comparison of the perplexities
- clustering - Why does larger perplexity tend to produce clearer . . .
10 Why does larger perplexity tend to produce clearer clusters in t-SNE? By reading the original paper, I learned that the perplexity in t-SNE is 2 2 to the power of Shannon entropy of the conditional distribution induced by a data point
- Why do I get weird results when using high perpexity in t-SNE?
I played around with the t-SNE implementation in scikit-learn and found that increasing perplexity seemed to always result in a torus circle I couldn't find any mentions about this in literature
- 知乎 - 有问题，就会有答案
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
- perplexity. ai 用于科研体验如何？ - 知乎
Perplexity的快速模型、克劳德4 0、GPT-4 1、双子座2 5专业版、Grok3测试版、Perplexity的无偏见推理模型、OpenAl的最新推理模型。 我用他给自己算了一挂：请你作为一个算命大师，帮我算一卦，我想知道我的人生各个阶段的命运。 我的出生年月日是xx年农历x月x，x时。
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