<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Siyuan Zou — Recent additions</title><description>The latest additions across mathematics and writing.</description><link>https://siyuan-zou.github.io/</link><language>en</language><item><title>用户新增预测挑战赛：模型交叉验证</title><link>https://siyuan-zou.github.io/en/writing/subscriber-growth-cross-validation/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/writing/subscriber-growth-cross-validation/</guid><description>使用交叉验证比较决策树、随机森林、梯度提升与XGBoost分类模型的笔记。</description><pubDate>Wed, 29 Nov 2023 00:00:00 GMT</pubDate></item><item><title>用户新增预测挑战赛：特征工程</title><link>https://siyuan-zou.github.io/en/writing/subscriber-growth-feature-engineering/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/writing/subscriber-growth-feature-engineering/</guid><description>从特征构造、筛选与重要性出发改进用户新增预测模型的笔记。</description><pubDate>Wed, 29 Nov 2023 00:00:00 GMT</pubDate></item><item><title>用户新增预测挑战赛：数据分析与可视化</title><link>https://siyuan-zou.github.io/en/writing/subscriber-growth-analysis/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/writing/subscriber-growth-analysis/</guid><description>对挑战赛匿名字段进行相关性、分布、类别比例与时间特征分析的可视化笔记。</description><pubDate>Thu, 24 Aug 2023 00:00:00 GMT</pubDate></item><item><title>用户新增预测挑战赛</title><link>https://siyuan-zou.github.io/en/writing/subscriber-growth-challenge/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/writing/subscriber-growth-challenge/</guid><description>讯飞用户新增预测挑战赛的问题说明、数据字段、评估指标与决策树基线。</description><pubDate>Thu, 24 Aug 2023 00:00:00 GMT</pubDate></item><item><title>Fourier Transform over Global Fields</title><link>https://siyuan-zou.github.io/en/mathematics/fourier-transform-global-fields/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/mathematics/fourier-transform-global-fields/</guid><description>An undergraduate thesis catalogue entry concerning Fourier analysis in the setting of global fields.</description><pubDate>Fri, 01 Jul 2022 00:00:00 GMT</pubDate></item><item><title>六维球面上假定的近复结构之 Hodge 数</title><link>https://siyuan-zou.github.io/en/mathematics/hodge-numbers-six-sphere/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/mathematics/hodge-numbers-six-sphere/</guid><description>A reading report in algebraic topology and differential forms, catalogued from the earlier website with a link to the source article.</description><pubDate>Wed, 01 Jun 2022 00:00:00 GMT</pubDate></item><item><title>他祝大家周末愉快</title><link>https://siyuan-zou.github.io/en/writing/weekend-wishes/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/writing/weekend-wishes/</guid><description>关于五一火锅、电影课和一句周末祝福的生活短记。</description><pubDate>Sat, 30 Apr 2022 00:00:00 GMT</pubDate></item><item><title>2022年4月17日 上海</title><link>https://siyuan-zou.github.io/en/writing/shanghai-2022-04-17/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/writing/shanghai-2022-04-17/</guid><description>写于2022年4月上海的一则短记。</description><pubDate>Sun, 17 Apr 2022 00:00:00 GMT</pubDate></item><item><title>毕业</title><link>https://siyuan-zou.github.io/en/writing/graduation/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/writing/graduation/</guid><description>回望复旦四年的朋友、数学、选择与离开。</description><pubDate>Wed, 23 Mar 2022 00:00:00 GMT</pubDate></item><item><title>Introduction to Partial Differential Equations</title><link>https://siyuan-zou.github.io/en/mathematics/introduction-to-pde/</link><guid isPermaLink="true">https://siyuan-zou.github.io/en/mathematics/introduction-to-pde/</guid><description>A catalogue entry for notes prepared while studying an introductory course in partial differential equations.</description><pubDate>Wed, 01 Dec 2021 00:00:00 GMT</pubDate></item></channel></rss>