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src="data:image/gif;nitro-empty-id=MTc5Mzo3OQ==-1;base64,R0lGODlhAQABAIABAAAAAP///yH5BAEAAAEALAAAAAABAAEAAAICTAEAOw=="/> <h5>自动化, <span>无代码</span> 数据栈</h5> <p>了解如何 Astera Data Stack 可以简化企业的数据管理。</p> <div class="sidebar-cta"><a>开始免费试用</a></div> </div> <div class="blog-sidebar-hubspot-form"> <template data-nitro-marker-id="fbb2c562dc85f3c04c4fcbc5fe0ce18f-1"/> <template data-nitro-marker-id="23309c4a0923d9c18755ec7c32ec7ea6-1"/> </div> </div> </div> </div> <div class="col-sm-12 col-md-8 col-lg-9"> <div class="blog-featured-img"><img alt="数据科学与数据分析:主要区别" decoding="async" nitro-lazy-empty="" id="MTgxMzoxNjE=-1" class="" src="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2023/12/blog-t-24.jpg"/></div> <h1 class="blog-main-title">数据科学与数据分析:主要区别</h1> <div class="author-with-date"> <div class="author-wrapper"> <div class="author-avatar"> <img alt="" height="96" width="96" nitro-lazy-srcset="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/desktop/optimized/rev-512ec71/secure.gravatar.com/avatar/d2e27b1c085c926922a9c0c597d43a6c.9a2e02e21f3469b8cb54c69586f81ae6 2x" nitro-lazy-src="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/desktop/optimized/rev-512ec71/secure.gravatar.com/avatar/ef5655eaf5fddd7fe4013e3e70d592ee.9a2e02e21f3469b8cb54c69586f81ae6" class="avatar avatar-96 photo nitro-lazy" decoding="async" nitro-lazy-empty="" id="MTgxODoyODU=-1" src="data:image/svg+xml;nitro-empty-id=MTgxODoyODU=-1;base64,PHN2ZyB2aWV3Qm94PSIwIDAgOTYgOTYiIHdpZHRoPSI5NiIgaGVpZ2h0PSI5NiIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48L3N2Zz4="/> </div> <div class="author-details"> <a href="https://www.astera.com/zh-CN/author/fasih-khan/">法西赫·汗(Fasih Khan)</a> </div> </div> <div class="publish-date"><i class="fa fa-calendar" aria-hidden="true"/> 二零一九年五月一日</div> </div> <div class="blog-content"><h2>数据科学与数据分析</h2> <p>组织越来越多地使用数据来获得竞争优势。这种方法的前沿出现了两个关键学科:数据科学和数据分析。</p> <p>虽然这两个领域都可以帮助您从数据中提取见解,但数据分析更侧重于分析历史数据以指导当前的决策。相比之下,数据科学使您能够创建数据驱动的算法来预测未来的结果。</p> <p>这些学科在方法、工具和结果方面存在显着差异。了解这些差异不仅对于数据专业人员而且对于任何使用数据的人都至关重要。</p> <h2>什么是数据科学?</h2> <p class="gt-block"><span data-preserver-spaces="true">数据科学是对数据的研究,结合了分析、数学和统计学,以提取有用的见解并指导业务决策。作为一个跨学科领域,它涉及多个利益相关者之间的合作:</span></p> <ul> <li><span data-preserver-spaces="true">领域专家</span></li> <li><span data-preserver-spaces="true">数据工程师管理数据基础设施</span></li> <li><span data-preserver-spaces="true">机器学习 (ML) 专家开发预测模型</span></li> </ul> <p class="gt-block"><span data-preserver-spaces="true">目标是提供不仅具有描述性(解释已发生的情况)而且具有预测性(预测可能发生的情况)和规范性(建议采取的行动)的见解。</span></p> <p class="gt-block"><span data-preserver-spaces="true">数据科学涵盖了完整的数据生命周期:从收集和清理到分析和可视化。数据科学家使用机器学习、预测建模和深度学习等各种工具和方法来揭示隐藏的模式并根据数据做出预测。以下是数据科学的关键组成部分:</span></p> <ul> <li><strong><span data-preserver-spaces="true">数据收集</span></strong><span data-preserver-spaces="true">:从数据库等不同来源积累数据, <a href="https://www.astera.com/zh-CN/knowledge-center/what-does-api-stand-for/">APIs</a>和网页抓取。</span></li> <li><strong><span data-preserver-spaces="true">数据清洗和预处理</span></strong><span data-preserver-spaces="true">:确保 <a href="https://www.astera.com/zh-CN/type/blog/data-quality/">数据质量</a> 通过管理缺失值、消除重复值、标准化数据并准备分析。</span></li> <li><strong><span data-preserver-spaces="true">探索性数据分析(EDA)</span></strong><span data-preserver-spaces="true">:利用统计技术和可视化工具来理解数据分布和关系。</span></li> <li><strong><span data-preserver-spaces="true">建筑模型</span></strong><span data-preserver-spaces="true">:创建和训练机器学习模型来预测结果并对数据进行分类。</span></li> <li><strong><span data-preserver-spaces="true">评估与优化</span></strong><span data-preserver-spaces="true">:使用准确度、精确度和召回率指标评估模型性能,并改进模型以提高准确度。</span></li> <li><strong><span data-preserver-spaces="true">部署</span></strong><span data-preserver-spaces="true">:在生产环境中实施模型以进行实时预测并自动化决策。</span></li> </ul> <h2>什么是数据分析?</h2> <p class="gt-block">而 <a href="https://www.astera.com/zh-CN/type/blog/data-analytics/">数据分析</a> 是数据科学的一部分,它检查历史数据以揭示趋势、模式和见解。它可以帮助您系统地利用统计和定量技术 <a href="https://www.astera.com/zh-CN/knowledge-center/what-is-data-processing-definition-and-stages/">处理数据</a> 并做出明智的决定。</p> <p><img fetchpriority="high" alt="4种数据分析类型" width="1920" height="790" sizes="(max-width: 1920px) 100vw, 1920px" nitro-lazy-srcset="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-200x82.png 200w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-300x123.png 300w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-400x165.png 400w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-600x247.png 600w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-768x316.png 768w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-800x329.png 800w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-1024x421.png 1024w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-1200x494.png 1200w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274-1536x632.png 1536w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274.png 1920w" nitro-lazy-src="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/4-types-of-data-analytics-e1717149015274.png" class="aligncenter size-full wp-image-58400 nitro-lazy" decoding="async" nitro-lazy-empty="" id="MTg0ODoxMzkw-1" src="data:image/svg+xml;nitro-empty-id=MTg0ODoxMzkw-1;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMTkyMCA3OTAiIHdpZHRoPSIxOTIwIiBoZWlnaHQ9Ijc5MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48L3N2Zz4="/></p> <p>数据分析的主要目标是分析历史数据以回答特定的业务问题,识别模式、趋势和见解,并帮助企业做出明智的决策。</p> <p>例如,分析目标可能是了解影响客户流失的因素或优化营销活动以获得更高的转化率。</p> <p>分析师使用数据分析创建详细的报告和仪表板,帮助企业监控关键绩效指标 (KPI) 并做出数据驱动的决策。数据分析通常比数据科学更简单、更简单,因为它不涉及高级机器学习算法或模型构建。</p> <h2>数据科学与数据分析:主要区别</h2> <p class="gt-block"><span data-preserver-spaces="true">数据科学和分析都涉及数据处理,可用于预测未来的结果。然而,关键的区别在于他们方法的范围和深度。</span></p> <p class="gt-block"><strong><span data-preserver-spaces="true">数据分析</span></strong><span data-preserver-spaces="true"> 通常更加专注,并且倾向于根据过去的数据回答特定问题。它是关于解析数据集以提供可行的见解,帮助企业做出明智的决策。虽然它可以涉及预测分析来预测未来趋势,但其主要目标是了解发生了什么以及为什么发生。</span></p> <p class="gt-block"><span data-preserver-spaces="true">另一方面, </span><strong><span data-preserver-spaces="true">数据科学</span></strong><span data-preserver-spaces="true"> 是一个更广泛的领域,包括数据分析和机器学习、人工智能 (AI) 和深度学习等其他技术。数据科学家经常研究更复杂的问题,并使用先进的算法和模型来预测未来事件并自动化决策,从而催生新的数据驱动产品和功能。</span></p> <p class="gt-block"><span data-preserver-spaces="true">换句话说,虽然数据分析可以提供见解并为决策提供信息,但数据科学使用数据 </span><span data-preserver-spaces="true">制造能够理解数据和</span><span data-preserver-spaces="true"> 做出决定或预测。这就像理解数据和创建与之交互的新方法之间的区别。两者都很有价值,但有不同的目的并且需要不同的技能。</span></p> <table class=" aligncenter" width="658"> <tbody> <tr> <td width="126"><strong> </strong></td> <td width="263"><strong>数据科学</strong></td> <td width="262"><strong>数据分析</strong></td> </tr> <tr> <td width="126"><strong>范围和目标</strong></td> <td width="263">广泛且具有探索性。它寻求发现新的见解并建立预测模型来预测未来趋势。</td> <td width="262">狭窄而具体。它的重点是回答预定义的问题并分析历史数据来为决策提供信息。</td> </tr> <tr> <td width="126"><strong>方法</strong></td> <td width="263">使用先进的人工智能和机器学习算法以及统计模型来分析结构化和非结构化数据。</td> <td width="262">采用统计方法和数据可视化技术,主要处理结构化数据。</td> </tr> <tr> <td width="126"><strong>结果</strong></td> <td width="263">生成可以自动化决策过程并发现隐藏模式的预测模型和算法。</td> <td width="262">生成报告和仪表板,总结过去的绩效并为业务策略提供可行的见解。</td> </tr> </tbody> </table> <p> </p> <h3>数据科学与数据分析:过程中的差异</h3> <p>数据科学和分析涉及的过程也有所不同,反映了它们不同的目标和方法。</p> <p><img title="数据科学与数据分析" alt="数据科学与数据分析的比较" width="2560" height="1265" sizes="(max-width: 2560px) 100vw, 2560px" nitro-lazy-srcset="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-200x99.jpg 200w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-300x148.jpg 300w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-400x198.jpg 400w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-600x297.jpg 600w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-768x380.jpg 768w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-800x395.jpg 800w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-1024x506.jpg 1024w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-1200x593.jpg 1200w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-1536x759.jpg 1536w, https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-scaled.jpg 2560w" nitro-lazy-src="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2024/05/Artboard-1@4x-100-1-scaled.jpg" class="aligncenter wp-image-58336 size-full nitro-lazy" decoding="async" nitro-lazy-empty="" id="MTg4NDoxMjEx-1" src="data:image/svg+xml;nitro-empty-id=MTg4NDoxMjEx-1;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMjU2MCAxMjY1IiB3aWR0aD0iMjU2MCIgaGVpZ2h0PSIxMjY1IiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg=="/></p> <p class="gt-block"><strong>数据科学过程</strong></p> <ol> <li><strong><span data-preserver-spaces="true">业务目标: </span></strong><span data-preserver-spaces="true">这就是你开始的地方。 </span><span data-preserver-spaces="true">It </span><span data-preserver-spaces="true">如果有帮助的话</span><span data-preserver-spaces="true"> 您 </span><span data-preserver-spaces="true">掌握了</span><span data-preserver-spaces="true"> 客户想要实现什么</span><span data-preserver-spaces="true"> 充分</span><span data-preserver-spaces="true">.</span><span data-preserver-spaces="true"> 您定义业务目标、评估情况、确定数据科学目标并规划项目。这一切都是为了为您的项目奠定坚实的基础。</span></li> <li><strong><span data-preserver-spaces="true">数据收集和整合:</span></strong><span data-preserver-spaces="true"> 在此步骤中,您必须从各个领域收集大型数据集,例如非结构化源、数据库、API 和网络抓取。一旦收集到数据,就会对其进行整合。 </span><span data-preserver-spaces="true"><a href="https://www.astera.com/zh-CN/type/blog/data-integration/">数据集成</a> 将来自多个来源的数据合并为一个</span><span data-preserver-spaces="true"> 统一看法。它涉及 <a href="https://www.astera.com/zh-CN/type/blog/data-transformation/">数据转换</a>、清理和加载,将原始数据转换为正确的状态。综合数据 </span><span data-preserver-spaces="true">然后存储</span><span data-preserver-spaces="true"> 在 <a href="https://www.astera.com/zh-CN/type/blog/data-warehouse-definition/">数据仓库</a> 或者 <a href="https://www.astera.com/zh-CN/knowledge-center/data-lake/">数据湖</a>。这些存储系统是 </span><span data-preserver-spaces="true">重要</span><span data-preserver-spaces="true"> 在数据分析和 </span><span data-preserver-spaces="true">data</span><span data-preserver-spaces="true"> 科学,为存储和处理大量数据提供必要的基础设施。</span></li> <li><strong><span data-preserver-spaces="true">数据清理和准备:</span></strong><span data-preserver-spaces="true"> <a href="https://www.astera.com/zh-CN/type/blog/data-cleansing/">数据清理</a> 准备工作包括 <a href="https://www.astera.com/zh-CN/type/blog/data-preprocessing/">预处理数据</a> 使其适合分析。它包括处理缺失值,这可以 </span><span data-preserver-spaces="true">变得充实</span><span data-preserver-spaces="true"> 使用各种插补方法并处理异常值,这可能会扭曲结果。数据 </span><span data-preserver-spaces="true">也被改造了</span><span data-preserver-spaces="true"> 转换成适合分析的格式,例如标准化数值数据或编码分类数据。</span></li> <li><strong><span data-preserver-spaces="true">探索性数据分析(EDA):</span></strong><span data-preserver-spaces="true"> EDA 就是为了揭示初步见解。它涉及使用绘图和图表来可视化数据,以识别变量之间的模式、趋势和关系。统计汇总 </span><span data-preserver-spaces="true">也被计算出来</span><span data-preserver-spaces="true"> 提供数据的定量描述。</span></li> <li><strong><span data-preserver-spaces="true">建筑模型:</span></strong><span data-preserver-spaces="true"> 此步骤使用机器学习算法来创建预测模型。算法的选择取决于数据的性质和当前问题。数据团队将这些数据分为两组:训练集和测试集。他们在训练集上训练模型。</span></li> <li><strong><span data-preserver-spaces="true">模型评估:</span></strong><span data-preserver-spaces="true"> 构建模型后,团队使用准确度、精确度和召回率等指标评估其性能。这些指标可以让我们深入了解模型的表现 </span><span data-preserver-spaces="true">正确预测</span><span data-preserver-spaces="true"> 结果。</span></li> <li><strong><span data-preserver-spaces="true">部署:</span></strong><span data-preserver-spaces="true"> 最后,您准备好分享您的发现了。一旦模型被评估和微调,它 </span><span data-preserver-spaces="true">被实施</span><span data-preserver-spaces="true"> 在现实环境中进行自动化决策。您必须规划部署、监视和维护模型、生成最终报告并审查项目。</span></li> <li><strong><span data-preserver-spaces="true">监控和维护</span></strong><span data-preserver-spaces="true">:团队在部署后持续跟踪模型的性能,以确保其保持有效 </span><span data-preserver-spaces="true">随着时间的推移</span><span data-preserver-spaces="true">。如果模型的性能下降,他们可能需要使用新数据进行调整或重新训练。这一步 </span><span data-preserver-spaces="true">对于确保</span><span data-preserver-spaces="true"> 随着新数据的出现,模型仍保持相关性。</span></li> </ol> <p class="gt-block"><strong>数据分析流程</strong></p> <ol> <li><strong><span data-preserver-spaces="true">目标设定: </span></strong><span data-preserver-spaces="true">任何分析项目的第一步都是与利益相关者建立清晰且可衡量的目标。 </span><span data-preserver-spaces="true">这些目标应与总体业务目标保持一致</span><span data-preserver-spaces="true"> 和 </span><span data-preserver-spaces="true">应该</span><span data-preserver-spaces="true"> 具体、可衡量、可实现、相关且</span><span data-preserver-spaces="true"> 有时间限制的。利益相关者可以是从高管、经理到最终用户的任何人 </span><span data-preserver-spaces="true">谁拥有</span><span data-preserver-spaces="true"> 对分析项目结果的既得利益。</span></li> <li><strong><span data-preserver-spaces="true">数据收集与整合</span></strong><span data-preserver-spaces="true">:在此步骤中,您必须从数据库、数据仓库、数据湖、在线服务和用户表单等各种来源收集数据。数据仓库和数据湖发挥着重要作用 </span><span data-preserver-spaces="true">键</span><span data-preserver-spaces="true"> 在这里扮演的角色。它们分别存储大量结构化和非结构化数据,并为已清理、集成并可供分析的数据提供中央存储库。</span></li> <li><strong><span data-preserver-spaces="true">数据清理</span></strong><span data-preserver-spaces="true">:数据清理允许您通过纠正错误、处理缺失值和标准化格式来确保数据质量。 </span><span data-preserver-spaces="true">用于结构化数据的 SQL 等工具 <a href="https://hadoop.apache.org" target="_blank" rel="noopener">Hadoop的</a> 或者可以使用Spark处理大数据</span><span data-preserver-spaces="true"> 在这个过程中。这一切都是为了确保数据可靠并可供分析。</span></li> <li><strong><span data-preserver-spaces="true">数据分析</span></strong><span data-preserver-spaces="true">:现在,是时候探索数据并发现模式和趋势了。使用统计技术和机器学习算法,我们的目标是理解数据并预测未来的结果。此阶段通常需要 R 和 Python 等工具以及 Pandas、NumPy 和 Scikit-learn 等库。</span></li> <li><strong><span data-preserver-spaces="true">数据图</span></strong><span data-preserver-spaces="true">:您可以在此处创建数据的可视化表示,以帮助理解模式和趋势。 </span><span data-preserver-spaces="true">Tableau、PowerBI 等工具或 Python 中的 Matplotlib 和 Seaborn 等库</span><span data-preserver-spaces="true">, </span><span data-preserver-spaces="true">帮助</span> <span data-preserver-spaces="true">在创造</span> <span data-preserver-spaces="true">有效</span><span data-preserver-spaces="true"> 可视化。</span></li> <li><strong><span data-preserver-spaces="true">资料汇报</span></strong><span data-preserver-spaces="true">:最后,您必须在报告和仪表板中总结您的发现,确保它们易于理解并回答启动该流程的业务问题。 Tableau 和 PowerBI 等报告工具可让您创建交互式仪表板 </span><span data-preserver-spaces="true">决策者可以使用</span><span data-preserver-spaces="true"> 以获得必要的见解。</span></li> </ol> <h2>数据科学与数据分析所需的技能</h2> <p class="gt-block"><span data-preserver-spaces="true">数据科学和分析所需的技能反映了它们不同的重点和方法。</span></p> <p class="gt-block"><strong>数据科学所需的技能</strong></p> <ul> <li><strong><span data-preserver-spaces="true">代码编程</span></strong><span data-preserver-spaces="true">:您需要精通 Python、R 和 Java。这项技能对于编写处理、分析和可视化数据的脚本至关重要。</span></li> <li><strong><span data-preserver-spaces="true">机器学习</span></strong><span data-preserver-spaces="true">:了解算法和框架,例如 </span><span data-preserver-spaces="true">scikit学习</span><span data-preserver-spaces="true">、TensorFlow 和 PyTorch 至关重要。这些允许您创建预测模型并从复杂的数据集中提取模式。</span></li> <li><strong><span data-preserver-spaces="true">统计与数学</span></strong><span data-preserver-spaces="true">:统计方法、概率和线性代数的坚实基础是 </span><span data-preserver-spaces="true">键</span><span data-preserver-spaces="true">。这些是机器学习算法和统计分析的构建模块。</span></li> <li><strong><span data-preserver-spaces="true">数据操作</span></strong><span data-preserver-spaces="true">:具有 Pandas 和 NumPy 等数据处理工具的经验 </span><span data-preserver-spaces="true">重要</span><span data-preserver-spaces="true">。这些工具使您能够清理、改造和 <a href="https://www.astera.com/zh-CN/type/blog/data-preparation/">准备数据进行分析</a>.</span></li> <li><strong><span data-preserver-spaces="true">大数据技术</span></strong><span data-preserver-spaces="true">:Hadoop知识, <a href="https://spark.apache.org/" target="_blank" rel="noopener">火花</a>,和其他大数据框架是有益的。它可以让您处理和分析大型数据集 </span><span data-preserver-spaces="true">常见</span><span data-preserver-spaces="true"> 在当今数据丰富的环境中。</span></li> <li><strong><span data-preserver-spaces="true">领域专长</span></strong><span data-preserver-spaces="true">: </span><span data-preserver-spaces="true">理解和应用很重要</span><span data-preserver-spaces="true"> 针对特定行业问题的数据科学概念。</span> <span data-preserver-spaces="true">本篇</span><span data-preserver-spaces="true"> 帮助您提供有意义的见解和解决方案 </span><span data-preserver-spaces="true">,</span><span data-preserver-spaces="true"> 与业务相关。</span></li> </ul> <p class="gt-block"><strong>数据分析所需的技能</strong></p> <ul> <li><strong><span data-preserver-spaces="true">SQL</span></strong><span data-preserver-spaces="true">:熟练查询和管理 <a href="https://www.astera.com/zh-CN/type/blog/relational-database-management-system/">关系数据库</a> 是必须的。它允许您检索和 <a href="https://www.astera.com/zh-CN/type/blog/data-manipulation-tools/">处理数据</a> 有效率的。</span></li> <li><strong><span data-preserver-spaces="true">数据图</span></strong><span data-preserver-spaces="true">:精通 Tableau、Power BI 和 D3.js 等工具 </span><span data-preserver-spaces="true">重要</span><span data-preserver-spaces="true">。它可以帮助您以视觉上有吸引力且易于理解的方式呈现数据。</span></li> <li><strong><span data-preserver-spaces="true">统计分析</span></strong><span data-preserver-spaces="true">:理解描述性统计和推论性统计至关重要。它可以让您汇总数据并根据样本数据对总体进行推断。</span></li> <li><strong><span data-preserver-spaces="true">Excel</span></strong><span data-preserver-spaces="true">:电子表格操作和分析方面的高级技能是有益的。 Excel 是一种广泛使用的数据分析和可视化工具。</span></li> <li><strong><span data-preserver-spaces="true">沟通</span></strong><span data-preserver-spaces="true">:向非技术利益相关者清楚地呈现调查结果的能力是 </span><span data-preserver-spaces="true">键</span><span data-preserver-spaces="true">。它确保决策者能够理解您的见解并采取行动。</span></li> <li><strong><span data-preserver-spaces="true">商业敏锐:</span></strong><span data-preserver-spaces="true"> 了解业务环境并将见解转化为战略建议至关重要。它确保您的分析符合业务目标并增加价值。</span></li> </ul> <h2>数据科学与数据分析:工具</h2> <p class="gt-block"><span data-preserver-spaces="true">数据科学和数据分析中使用的工具是根据其特定任务和要求量身定制的。</span></p> <p class="gt-block"><strong><span data-preserver-spaces="true">数据科学工具:</span></strong></p> <ul> <li><strong><span data-preserver-spaces="true">编程语言:</span></strong><span data-preserver-spaces="true"> Python、R、Java。</span></li> <li><strong><span data-preserver-spaces="true">机器学习库:</span></strong><span data-preserver-spaces="true"> TensorFlow、PyTorch、scikit-learn。</span></li> <li><strong><span data-preserver-spaces="true">数据处理:</span></strong><span data-preserver-spaces="true"> 熊猫、NumPy。</span></li> <li><strong><span data-preserver-spaces="true">大数据平台:</span></strong><span data-preserver-spaces="true"> Hadoop、火花。</span></li> <li><strong><span data-preserver-spaces="true">可视化:</span></strong><span data-preserver-spaces="true"> Matplotlib、Seaborn。</span></li> <li><strong><span data-preserver-spaces="true">集成开发环境 (IDE):</span></strong><span data-preserver-spaces="true"> Jupyter、RStudio。</span></li> </ul> <p class="gt-block"><strong><span data-preserver-spaces="true">数据分析工具:</span></strong></p> <ul> <li><strong><span data-preserver-spaces="true">SQL 数据库:</span></strong><span data-preserver-spaces="true"> MySQL、PostgreSQL、SQL Server。</span></li> <li><strong><span data-preserver-spaces="true">数据可视化:</span></strong><span data-preserver-spaces="true"> Tableau、Power BI、QlikView。</span></li> <li><strong><span data-preserver-spaces="true">统计软件:</span></strong><span data-preserver-spaces="true"> Excel、SAS、SPSS。</span></li> <li><strong><span data-preserver-spaces="true">商业智能工具:</span></strong><span data-preserver-spaces="true"> 瞧,多莫。</span></li> <li><strong><span data-preserver-spaces="true">脚本语言:</span></strong><span data-preserver-spaces="true"> Python 用于脚本编写和自动化。</span></li> <li><strong><span data-preserver-spaces="true">报告:</span></strong><span data-preserver-spaces="true"> 微软 Excel、谷歌数据工作室。</span></li> </ul> <h2>数据科学与数据分析:用例</h2> <p class="gt-block"><span data-preserver-spaces="true">数据科学和分析都有广泛的应用,但它们的用例在范围和复杂性方面有所不同。</span></p> <p class="gt-block"><strong><span data-preserver-spaces="true">数据科学用例:</span></strong></p> <ol> <li><strong><span data-preserver-spaces="true">预测性维护</span></strong><span data-preserver-spaces="true">:机器故障可能会导致制造业或航空业等行业出现严重停机和财务损失。通过数据科学,公司可以使用机器 </span><span data-preserver-spaces="true">学习</span><span data-preserver-spaces="true"> 处理传感器数据并预测机器何时可能出现故障。此过程涉及分析过去的故障并根据复杂的实时传感器数据模式预测未来的故障。</span></li> <li><strong><span data-preserver-spaces="true">欺诈检测</span></strong><span data-preserver-spaces="true">: <a href="https://www.astera.com/zh-CN/type/blog/financial-data-integration/">金融诈骗</a> 通常很复杂并且发展很快,因此很难用基于规则的系统进行检测。然而,通过机器学习,数据科学家可以识别可能表明欺诈的异常模式。这种检测超越了传统的数据分析,传统的数据分析可能仅根据预定义的规则或阈值来标记交易。</span></li> <li><strong><span data-preserver-spaces="true">推荐系统</span></strong><span data-preserver-spaces="true">:Netflix 和 Amazon 等公司会根据用户偏好推荐产品或电影,即使类似的商品从未购买或观看过。过滤或深度学习等技术可以根据数据模式预测偏好。相比之下,数据分析可能只能根据过去的行为对用户进行细分,这对于个性化来说效果较差。</span></li> <li><strong><span data-preserver-spaces="true">自然语言处理(NLP)</span></strong><span data-preserver-spaces="true">:语音助手或聊天机器人等应用程序需要理解并响应人类语言 </span><span data-preserver-spaces="true">自然</span><span data-preserver-spaces="true">.</span><span data-preserver-spaces="true"> 数据科学家使用机器学习和深度学习来掌握语言的语义和上下文,这是传统数据分析无法实现的。</span></li> <li><strong><span data-preserver-spaces="true">图像识别</span></strong><span data-preserver-spaces="true">:在医疗保健和自动驾驶汽车等领域,识别图像(例如在医学成像中识别疾病或识别道路上的物体)至关重要。先进的数据科学方法,例如卷积神经网络,可以识别图像数据中的模式。这种功能是通常处理结构化数字或分类数据的数据分析所不具备的。</span></li> <li><strong><span data-preserver-spaces="true">情感分析</span></strong><span data-preserver-spaces="true">:了解客户情绪涉及分析非结构化数据,例如客户评论或社交媒体帖子下的评论。数据科学家使用 NLP 和机器学习来辨别文本数据背后的情感,这超出了传统数据分析的能力。</span></li> </ol> <p class="gt-block"><strong><span data-preserver-spaces="true">数据分析用例:</span></strong></p> <ul> <li><strong><span data-preserver-spaces="true">销售趋势分析: </span></strong><span data-preserver-spaces="true">数据分析使零售企业能够剖析历史销售数据,揭示模式和趋势。这种洞察力使他们能够识别热门产品、旺季和销售增长的潜在领域,从而制定库存决策。</span></li> <li><strong><span data-preserver-spaces="true">客户细分: </span></strong><span data-preserver-spaces="true">企业可以深入研究 <a href="https://www.astera.com/zh-CN/type/blog/customer-data-integration/">客户数据</a> 通过数据分析,识别购买行为或人口统计等共同特征。数据分析 </span><span data-preserver-spaces="true">用来</span><span data-preserver-spaces="true"> 工艺</span><span data-preserver-spaces="true"> 客户数据,根据共享特征应用聚类算法对客户进行分组。这种细分为有针对性的营销策略提供了信息。它可以帮助您创建 </span><span data-preserver-spaces="true">更多</span><span data-preserver-spaces="true"> 个性化营销活动,提高客户保留率并增加销售额。</span></li> <li><strong><span data-preserver-spaces="true">供应链优化: </span></strong><span data-preserver-spaces="true">数据分析可以帮助您仔细检查库存水平、供应商绩效和交货时间。统计分析可以帮助识别瓶颈并提供流程改进的路线图。</span></li> <li><strong><span data-preserver-spaces="true">风险管理: </span></strong><span data-preserver-spaces="true">数据分析检查金融领域的历史市场趋势和投资绩效数据。该分析有助于风险评估,并为有关资源分配和未来投资策略的决策提供信息。</span></li> <li><strong><span data-preserver-spaces="true">医疗保健分析:</span></strong><span data-preserver-spaces="true"> 在医疗保健领域,数据分析跟踪患者的治疗结果并识别不同情况的风险因素。该分析支持医疗保健提供者做出有关治疗计划的数据驱动决策。</span></li> <li><strong><span data-preserver-spaces="true">网站分析: </span></strong><span data-preserver-spaces="true">数据分析对于理解用户与网站的交互至关重要。它处理用户与网站交互的数据,其中涉及统计分析和可能的 A/B 测试。结果包括改善用户体验、提高转化率和更有效的网站设计。企业可以通过分析页面浏览量、跳出率来改进其网站 </span><span data-preserver-spaces="true">费用</span><span data-preserver-spaces="true">和参与率。</span></li> </ul> <h2>一锤定音</h2> <p class="gt-block"><span data-preserver-spaces="true">数据科学和数据分析对于从数据中提取见解都至关重要。每个领域都有独特的目标、流程、技能、工具和用例。当我们了解数据科学与数据分析的复杂性时,很明显,强大的数据管理解决方案是构建数据管道的基础,为数据科学和数据分析任务提供无缝数据流。</span></p> <p class="gt-block"><span data-preserver-spaces="true">这是哪里 <a href="https://www.astera.com/zh-CN">Astera</a> 介入。 Astera的数据管理平台 </span><span data-preserver-spaces="true">被设计</span><span data-preserver-spaces="true"> 通过提供简化数据工作流程(从数据集成到数据仓库)的全面功能来实现数据科学和分析。</span></p> <p class="gt-block"><strong><span data-preserver-spaces="true">Astera的主要特点:</span></strong></p> <ol> <li><strong><span data-preserver-spaces="true">数据管道</span></strong><span data-preserver-spaces="true">:通过直观的拖放操作简化复杂的数据工作流程,并通过以下功能自动化数据管理流程: Astera的高性能数据管道。花更少的时间在数据物流上,而更多地花在获得有价值的见解上。</span></li> <li><strong><span data-preserver-spaces="true">数据仓库</span></strong><span data-preserver-spaces="true">:加速您的数据仓库任务 Astera的用户友好且无代码的 UI。集中高质量数据以简化分析。</span></li> <li><strong><span data-preserver-spaces="true">可扩展性</span></strong><span data-preserver-spaces="true">:适应您不断增长的数据需求 Astera的可扩展解决方案。在不影响性能的情况下有效处理不断增加的数据量,确保您的分析能够跟上不断扩展的数据集的步伐。</span></li> <li><strong><span data-preserver-spaces="true">全面的数据整合</span></strong><span data-preserver-spaces="true">:结合来自各种来源的数据,包括数据库、云平台和Web应用程序,使用 Astera广泛的本机连接器和 REST API 可确保您全面了解数据环境。</span></li> <li><strong><span data-preserver-spaces="true">高效的数据建模</span></strong><span data-preserver-spaces="true">:通过将数据库模式导入或逆向工程到广泛使用的数据库模式,轻松构建数据仓库的逻辑模式 <a href="https://www.astera.com/zh-CN/type/blog/data-modeling/">数据建模</a> p</span><span data-preserver-spaces="true">像3NF这样的图案, <a href="https://www.astera.com/zh-CN/knowledge-center/dimensional-modeling-guide/">维度建模</a>和数据仓库。以最小的努力增强您的数据架构。</span></li> <li><strong><span data-preserver-spaces="true">多功能数据转换</span></strong><span data-preserver-spaces="true">:使用修改您的数据 Astera的转换库,这是从事数据清理和预处理的数据分析师的一个关键功能。</span></li> <li><strong><span data-preserver-spaces="true">动态报告与分析</span></strong><span data-preserver-spaces="true">:使用 OData 查询检索和分析来自集市和仓库的数据,并将其无缝集成到 Power BI 和 Tableau 等领先的 BI 工具中。创建动态、富有洞察力的报告,推动数据驱动的决策。</span></li> </ol> <p class="gt-block"><span data-preserver-spaces="true">Astera的先进功能使数据科学和分析专家能够有效地管理、分析数据并从数据中得出可行的见解,使其成为分析工具包中不可或缺的工具。</span></p> <p class="gt-block"><span data-preserver-spaces="true">杠杆作用 <a href="https://www.astera.com/zh-CN/data-stack/">Astera强大的数据管理工具</a> 释放您的数据科学和分析计划的全部潜力。</span></p> <p class="gt-block"><strong><span data-preserver-spaces="true">现在就开始!</span></strong></p> <ul> <li><a class="editor-rtfLink" href="https://www.astera.com/zh-CN/download-astera-dw-builder-trial/" target="_blank" rel="noopener"><span data-preserver-spaces="true">开始免费试用</span></a><span data-preserver-spaces="true">: 投身于 Astera的功能并改变您今天的数据流程。</span></li> <li><a class="editor-rtfLink" href="https://www.astera.com/zh-CN/contact/" target="_blank" rel="noopener"><span data-preserver-spaces="true">联系我们</span></a><span data-preserver-spaces="true">:联系我们的团队进行量身定制的演示。</span></li> </ul> </div> </div> </div> </div> </div> <div class="related-article-wrapper"> <div class="container"> <div class="row"> <div class="col-sm-12"> <h5>你也许也喜欢</h5> <div class="row related-article-content-wrapper"> <div class="col-sm-4"> <div class="related-article-content"> <a href="https://www.astera.com/zh-CN/type/blog/data-analytics/"><img nitro-lazy-src="https://cdn-ajfbi.nitrocdn.com/GuYcnotRkcKfJXshTEEKnCZTOtUwxDnm/assets/images/optimized/rev-512ec71/www.astera.com/wp-content/uploads/2023/12/blog-t-45.jpg" class="nitro-lazy" decoding="async" nitro-lazy-empty="" id="MTk5ODoxMzQ=-1" 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