Play Kaggle with R, Facebook V: Predicting Check Ins
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Sharing a study case from Kaggle competition, Facebook V: Predicting Check Ins data science competition. Hope will bring R users more possibilities using R doing Kaggle competition! For community sharing usage.
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---
Event: Insider Dev Tour Berlin
Event Description: Microsoft is going on a world tour with the announcements of Build 2019. The Insider Dev Tour focuses on innovations related to Microsoft 365 from a developer's perspective.
Date: June 7th, 2019
Event link: https://www.microsoft.com/de-de/techwiese/news/best-of-build-insider-dev-tour-am-7-juni-in-berlin.aspx
Linkedin: http://linkedin.com/in/mia-chang/Develop computer vision applications with azure computer vision api
Develop computer vision applications with azure computer vision apiMia Chang
?
This document discusses developing computer vision applications using the Azure Computer Vision API. It provides an overview of computer vision and AI development on Azure. It also discusses using emotion recognition in chatbots and provides references to computer vision papers, datasets, and tools like the Azure Machine Learning Workbench. The document includes examples of computer vision tasks like object detection and segmentation and provides a small demo of emotion detection.The Art of Unit Testing Ch5-6
The Art of Unit Testing Ch5-6Mia Chang
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This document summarizes chapters 5 and 6 from a book on unit testing. Chapter 5 discusses why isolation frameworks are useful for creating fake objects more easily than hand-coding mocks. It also covers simulating fake values and testing events. Chapter 6 distinguishes between constrained and unconstrained isolation frameworks and discusses features that support future-proofing and usability of frameworks. Both chapters emphasize that isolation frameworks make testing easier, faster and less error-prone compared to manually writing mocks.Deploy Deep Learning Application with Azure Container Instance - Devdays2018
Deploy Deep Learning Application with Azure Container Instance - Devdays2018Mia Chang
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Deploy Deep Learning Application with Azure Container Instance
利用 Container Instance 部署深度學習應用
DevDays Asia 2018 亞太技術年會
https://www.accupass.com/event/1802230727421714084630
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What's AI, Machine Learning and Deep Learning - Talk @NCCU python 讀書會
What's AI, Machine Learning and Deep Learning - Talk @NCCU python 讀書會Mia Chang
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什麼是人工智慧、機器學習與深度學習
Talk @NCCU python 讀書會
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「什麼是人工智慧、機器學習與深度學習？」
其中想要的內容包含：
1. 用淺顯易懂方式向政大學生說明以上三名詞究竟是什麼？
2. 他們的發展、趨勢及應用為何？
3. 對於有興趣但不知從何下手的政大學生的建議是什麼？
twMVC#29 -Learning Machine Learning with Movie Recommendation
twMVC#29 -Learning Machine Learning with Movie RecommendationMia Chang
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從電影推薦預測開始學機器學習
Learning Machine Learning with Movie Recommendation
http://mvc.tw/event/2017/7/8
https://www.facebook.com/events/439926773056596/Recently uploaded (20)
CloudMonitor - Architecture Audit Review February 2025.pdf
CloudMonitor - Architecture Audit Review February 2025.pdfRodney Joyce
?
CloudMonitor FinOps is now a Microsoft Certified solution in the Azure Marketplace. This little badge means that we passed a 3rd-party Technical Audit as well as met various sales KPIs and milestones over the last 12 months.
We used our existing Architecture docs for CISOs and Cloud Architects to craft an Audit Response - I've shared it below to help others obtain their cert.
Interestingly, 90% of our customers are in the USA, with very few in Australia. This is odd as the first thing I hear in every meetup and conference, from partners, customers and Microsoft, is that they want to optimise their cloud spend! But very few Australian companies are using the FinOps Framework to lower Azure costs.Kaggle & Datathons: A Practical Guide to AI Competitions
Kaggle & Datathons: A Practical Guide to AI Competitionsrasheedsrq
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Kaggle & Datathons: A Practical Guide to AI Competitions
MTC Supply Chain Management Strategy.pptx
MTC Supply Chain Management Strategy.pptxRakshit Porwal
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Strategic Cost Reduction in Medical Devices Supply Chain: Achieving Sustainable ProfitabilityValkey 101 - SCaLE 22x March 2025 Stokes.pdf
Valkey 101 - SCaLE 22x March 2025 Stokes.pdfDave Stokes
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An Introduction to Valkey, Presented March 2025 at the Southern California Linux Expo, Pasadena CA. Valkey is a replacement for Redis and is a very fast in memory database, used to caches and other low latency applications. Valkey is open-source software and very fast.
原版复刻加拿大多伦多大学成绩单(UTSG毕业证书) 文凭
原版复刻加拿大多伦多大学成绩单(UTSG毕业证书) 文凭taqyed
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毕业证书加拿大文凭多伦多大学成绩单？【q薇1954292140】复刻成绩单加拿大多伦多大学毕业证(UTSG毕业证书)成绩单定购 多伦多大学毕业证办理，毕业证文凭样本加拿大多伦多大学文凭办理，加拿大多伦多大学成绩单办理和真实留信认证、留服认证、多伦多大学学历认证。学院文凭定制，多伦多大学原版文凭补办，扫描件文凭定做，100%文凭复刻。【q薇1954292140】Buy St. George campus Diploma购买美国毕业证，购买英国毕业证，购买澳洲毕业证，购买加拿大毕业证，以及德国毕业证，购买法国毕业证（q薇1954292140）购买荷兰毕业证、购买瑞士毕业证、购买日本毕业证、购买韩国毕业证、购买新西兰毕业证、购买新加坡毕业证、购买西班牙毕业证、购买马来西亚毕业证等。包括了本科毕业证，硕士毕业证。
如果您在英、加、美、澳、欧洲等留学过程中或回国后：
1、在校期间因各种原因未能顺利毕业《UTSG成绩单工艺详解》【Q/WeChat：1954292140】《Buy St. George campus Transcript快速办理多伦多大学教育部学历认证书毕业文凭证书》，拿不到官方毕业证；
2、面对父母的压力，希望尽快拿到；
3、不清楚认证流程以及材料该如何准备；
4、回国时间很长，忘记办理；
5、回国马上就要找工作《正式成绩单多伦多大学毕业证书》【q薇1954292140】《购买毕业证UTSG成绩单定购》办给用人单位看；
6、企事业单位必须要求办理的；
7、需要报考公务员、购买免税车、落转户口、申请留学生创业基金。
加拿大文凭多伦多大学成绩单，UTSG毕业证【q薇1954292140】办理加拿大多伦多大学毕业证(UTSG毕业证书)【q薇1954292140】成绩单影本多伦多大学offer/学位证研究生学历信息、留信官方学历认证（永久存档真实可查）采用学校原版纸张、特殊工艺完全按照原版一比一制作。帮你解决多伦多大学学历学位认证难题。
加拿大文凭购买，加拿大文凭定制，加拿大文凭补办。专业在线定制加拿大大学文凭，定做加拿大本科文凭，【q薇1954292140】复制加拿大St. George campus completion letter。在线快速补办加拿大本科毕业证、硕士文凭证书，购买加拿大学位证、多伦多大学Offer，加拿大大学文凭在线购买。高仿真还原加拿大文凭证书和外壳，定制加拿大多伦多大学成绩单和信封。办硕士学位证UTSG毕业证【q薇1954292140】办理加拿大多伦多大学毕业证(UTSG毕业证书)【q薇1954292140】成绩单定制多伦多大学offer/学位证学历认证报告怎么弄、留信官方学历认证（永久存档真实可查）采用学校原版纸张、特殊工艺完全按照原版一比一制作。帮你解决多伦多大学学历学位认证难题。
特殊原因导致无法毕业，也可以联系我们帮您办理相关材料：
１：在多伦多大学挂科了，不想读了，成绩不理想怎么办？？？
2：打算回国了，找工作的时候，需要提供认证《UTSG成绩单购买办理多伦多大学毕业证书范本》【Q/WeChat：1954292140】Buy St. George campus Diploma《正式成绩单论文没过》有文凭却得不到认证。又该怎么办？？？加拿大毕业证购买，加拿大文凭购买，
3：回国了找工作没有多伦多大学文凭怎么办？有本科却要求硕士又怎么办？
帮您解决在加拿大多伦多大学未毕业难题（St. George campus）文凭购买、毕业证购买、大学文凭购买、大学毕业证购买、买文凭、日韩文凭、英国大学文凭、美国大学文凭、澳洲大学文凭、加拿大大学文凭（q薇1954292140）新加坡大学文凭、新西兰大学文凭、爱尔兰文凭、西班牙文凭、德国文凭、教育部认证，买毕业证，毕业证购买，买大学文凭，购买日韩毕业证、英国大学毕业证、美国大学毕业证、澳洲大学毕业证、加拿大大学毕业证（q薇1954292140）新加坡大学毕业证、新西兰大学毕业证、爱尔兰毕业证、西班牙毕业证、德国毕业证，回国证明，留信网认证，留信认证办理，学历认证。从而完成就业。
主营项目：
1、真实教育部国外学历学位认证《加拿大毕业文凭证书快速办理多伦多大学成绩单GPA修改》【q薇1954292140】《论文没过多伦多大学正式成绩单》，教育部存档，教育部留服网站100%可查.
2、办理UTSG毕业证，改成绩单《UTSG毕业证明办理多伦多大学学校原版文凭补办》【Q/WeChat：1954292140】Buy St. George campus Certificates《正式成绩单论文没过》，多伦多大学Offer、在读证明、学生卡、信封、证明信等全套材料，从防伪到印刷，从水印到钢印烫金，高精仿度跟学校原版100%相同.
3、真实使馆认证（即留学人员回国证明），使馆存档可通过大使馆查询确认.
4、留信网认证，国家专业人才认证中心颁发入库证书，留信网存档可查.
《多伦多大学扫描件文凭定做加拿大毕业证书办理UTSG文凭定制您的学术成就》【q薇1954292140】学位证1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。
【q薇1954292140】办理多伦多大学毕业证(UTSG毕业证书)仿造在线制作本科文凭【q薇1954292140】多伦多大学offer/学位证、留信官方学历认证（永久存档真实可查）采用学校原版纸张、特殊工艺完全按照原版一比一制作加拿大多伦多大学毕业证(UTSG毕业证书)学位证书样本
留信认证的作用：
1. 身份认证：留信认证可以证明你的留学经历是真实的，且你获得的学历或学位是正规且经过认证的。这对于一些用人单位来说，尤其是对留学经历有高度要求的公司（如跨国公司或国内高端公司），这是非常重要的一个凭证。
专业评定：留信认证不仅认证你的学位证书，还会对你的所学专业进行评定。这有助于展示你的学术背景，特别是对于国内公司而言，能够清楚了解你所学专业的水平和价值。
国家人才库入库：认证后，你的信息将被纳入国家人才库，并且可以在国家人才网等平台上展示，供包括500强公司等大型公司挑选和聘用人才。这对于回国找工作特别是进入大公司，具有非常积极的作用。MLecture 1 Introduction to AI . The basics.pptx
MLecture 1 Introduction to AI . The basics.pptxFaizaKhan720183
?
Machine learning and artificial intelligence introduction. Machine learning and artificial intelligence introduction.Machine learning and artificial intelligence introduction.Machine learning and artificial intelligence introduction.Machine learning and artificial intelligence introduction.Machine learning and artificial intelligence introduction.Machine learning and artificial intelligence introduction.Machine learning and artificial intelligence introduction.Optimizing Common Table Expressions in Apache Hive with Calcite
Optimizing Common Table Expressions in Apache Hive with CalciteStamatis Zampetakis
?
In many real-world queries, certain expressions may appear multiple times, requiring repeated computations to construct the final result. These recurring computations, known as common table expressions (CTEs), can be explicitly defined in SQL queries using the WITH clause or implicitly derived through transformation rules. Identifying and leveraging CTEs is essential for reducing the cost of executing complex queries and is a critical component of modern data management systems.
Apache Hive, a SQL-based data management system, provides powerful mechanisms to detect and exploit CTEs through heuristic and cost-based optimization techniques.
This talk delves into the internals of Hive's planner, focusing on its integration with Apache Calcite for CTE optimization. We will begin with a high-level overview of Hive's planner architecture and its reliance on Calcite in various planning phases. The discussion will then shift to the CTE rewriting phase, highlighting key Calcite concepts and demonstrating how they are employed to optimize CTEs effectively.
Introduction Lecture 01 Data Science.pdf
Introduction Lecture 01 Data Science.pdfmessagetome133
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Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures Data Science Lectures 加拿大成绩单购买原版(鲍颁毕业证书)卡尔加里大学毕业证文凭
加拿大成绩单购买原版(鲍颁毕业证书)卡尔加里大学毕业证文凭taqyed
?
官方办理文凭加拿大文凭购买，加拿大文凭定制，加拿大卡尔加里大学文凭补办【q薇1954292140】专业在线定制加拿大大学文凭可查文凭定购，定做加拿大本科文凭，【q薇1954292140】复制加拿大The University of Calgary completion letter。在线快速补办加拿大本科毕业证、硕士文凭证书，购买加拿大学位证、卡尔加里大学Offer，加拿大大学文凭在线购买。高仿真还原加拿大文凭证书和外壳，定制加拿大卡尔加里大学成绩单和信封。学历认证购买UC毕业证【q薇1954292140】办理加拿大卡尔加里大学毕业证(UC毕业证书)【q薇1954292140】毕业证书电子版卡尔加里大学offer/学位证毕业证样本、留信官方学历认证（永久存档真实可查）采用学校原版纸张、特殊工艺完全按照原版一比一制作。帮你解决卡尔加里大学学历学位认证难题。
特殊原因导致无法毕业，也可以联系我们帮您办理相关材料：
１：在卡尔加里大学挂科了，不想读了，成绩不理想怎么办？？？
2：打算回国了，找工作的时候，需要提供认证《UC成绩单购买办理卡尔加里大学毕业证书范本》【Q/WeChat：1954292140】Buy The University of Calgary Diploma《正式成绩单论文没过》有文凭却得不到认证。又该怎么办？？？加拿大毕业证购买，加拿大文凭购买，
3：回国了找工作没有卡尔加里大学文凭怎么办？有本科却要求硕士又怎么办？
帮您解决在加拿大卡尔加里大学未毕业难题（The University of Calgary）文凭购买、毕业证购买、大学文凭购买、大学毕业证购买、买文凭、日韩文凭、英国大学文凭、美国大学文凭、澳洲大学文凭、加拿大大学文凭（q薇1954292140）新加坡大学文凭、新西兰大学文凭、爱尔兰文凭、西班牙文凭、德国文凭、教育部认证，买毕业证，毕业证购买，买大学文凭，购买日韩毕业证、英国大学毕业证、美国大学毕业证、澳洲大学毕业证、加拿大大学毕业证（q薇1954292140）新加坡大学毕业证、新西兰大学毕业证、爱尔兰毕业证、西班牙毕业证、德国毕业证，回国证明，留信网认证，留信认证办理，学历认证。从而完成就业。
如果您在英、加、美、澳、欧洲等留学过程中或回国后：
1、在校期间因各种原因未能顺利毕业《UC成绩单工艺详解》【Q/WeChat：1954292140】《Buy The University of Calgary Transcript快速办理卡尔加里大学教育部学历认证书毕业文凭证书》，拿不到官方毕业证；
2、面对父母的压力，希望尽快拿到；
3、不清楚认证流程以及材料该如何准备；
4、回国时间很长，忘记办理；
5、回国马上就要找工作《正式成绩单卡尔加里大学成绩单COPY》【q薇1954292140】《毕业证如何办理UC毕业证如何办理》办给用人单位看；
6、企事业单位必须要求办理的；
7、需要报考公务员、购买免税车、落转户口、申请留学生创业基金。
加拿大文凭卡尔加里大学成绩单，UC毕业证【q薇1954292140】办理加拿大卡尔加里大学毕业证(UC毕业证书)【q薇1954292140】国外本科offer在线制作卡尔加里大学offer/学位证学历认证证书电子版、留信官方学历认证（永久存档真实可查）采用学校原版纸张、特殊工艺完全按照原版一比一制作。帮你解决卡尔加里大学学历学位认证难题。
【q薇1954292140】办理卡尔加里大学毕业证(UC毕业证书)学位证书成绩单代办服务【q薇1954292140】卡尔加里大学offer/学位证、留信官方学历认证（永久存档真实可查）采用学校原版纸张、特殊工艺完全按照原版一比一制作加拿大卡尔加里大学毕业证(UC毕业证书)学位证书成绩单代办服务
主营项目：
1、真实教育部国外学历学位认证《加拿大毕业文凭证书快速办理卡尔加里大学文凭样本》【q薇1954292140】《论文没过卡尔加里大学正式成绩单》，教育部存档，教育部留服网站100%可查.
2、办理UC毕业证，改成绩单《UC毕业证明办理卡尔加里大学留学生学历学位认证书》【Q/WeChat：1954292140】Buy The University of Calgary Certificates《正式成绩单论文没过》，卡尔加里大学Offer、在读证明、学生卡、信封、证明信等全套材料，从防伪到印刷，从水印到钢印烫金，高精仿度跟学校原版100%相同.
3、真实使馆认证（即留学人员回国证明），使馆存档可通过大使馆查询确认.
4、留信网认证，国家专业人才认证中心颁发入库证书，留信网存档可查.
《卡尔加里大学揭秘加拿大毕业证书办理UC成绩单温感光标》【q薇1954292140】学位证1:1完美还原海外各大学毕业材料上的工艺：水印，阴影底纹，钢印LOGO烫金烫银，LOGO烫金烫银复合重叠。文字图案浮雕、激光镭射、紫外荧光、温感、复印防伪等防伪工艺。
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留信认证的作用：
1. 身份认证：留信认证可以证明你的留学经历是真实的，且你获得的学历或学位是正规且经过认证的。这对于一些用人单位来说，尤其是对留学经历有高度要求的公司（如跨国公司或国内高端公司），这是非常重要的一个凭证。
专业评定：留信认证不仅认证你的学位证书，还会对你的所学专业进行评定。这有助于展示你的学术背景，特别是对于国内公司而言，能够清楚了解你所学专业的水平和价值。
国家人才库入库：认证后，你的信息将被纳入国家人才库，并且可以在国家人才网等平台上展示，供包括500强公司等大型公司挑选和聘用人才。这对于回国找工作特别是进入大公司，具有非常积极的作用。
2. 留信认证对就业的好处
提高竞争力：通过留信认证，尤其是对你所学专业的认证，可以大大提高你在国内求职时的竞争力。许多公司对留学生背景和所学专业有很高的要求，认证后的信息能够帮助公司快速识别符合条件的候选人。
增强信任度：公司往往会对没有认证的学历背景产生疑虑，而留信认证为你的学历背景提供了第三方权威机构的背书，增强了雇主的信任。
对接高端岗位：通过认证后，留学生的个人信息被纳入国家人才库，这也意味着你可以被更多的高端岗位、国有大公司和跨国公司注意到，特别是那些招聘具有国际化背景的人才的公司。The Marketability of Rice Straw Yarn Among Selected Customers of Gantsilyo Guru
The Marketability of Rice Straw Yarn Among Selected Customers of Gantsilyo Gurukenyoncenteno12
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IMR Paper
Design Data Model Objects for Analytics, Activation, and AI
Design Data Model Objects for Analytics, Activation, and AIaaronmwinters
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Explore using industry-specific data standards to design data model objects in Data Cloud that can consolidate fragmented and multi-format data sources into a single view of the customer.
Design of the data model objects is a critical first step in setting up Data Cloud and will impact aspects of the implementation, including the data harmonization and mappings, as well as downstream automations and AI processing. This session will provide concrete examples of data standards in the education space and how to design a Data Cloud data model that will hold up over the long-term as new source systems and activation targets are added to the landscape. This will help architects and business analysts accelerate adoption of Data Cloud.
CH. 4.pptxt and I will be there in about
CH. 4.pptxt and I will be there in aboutmiesoabdela57
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The reason why I am not words that start with a good things to do anything else ?? and I will be there in about you that go against the future is only today and tomorrow is unborn child hood I have a few that you told to us the reason why I was children and I will be The Role of Christopher Campos Orlando in Sustainability Analytics
The Role of Christopher Campos Orlando in Sustainability Analyticschristophercamposus1
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Christopher Campos Orlando specializes in leveraging data to promote sustainability and environmental responsibility. With expertise in carbon footprint analysis, regulatory compliance, and green business strategies, he helps organizations integrate sustainability into their operations. His data-driven approach ensures companies meet ESG standards while achieving long-term sustainability goals.
Play Kaggle with R, Facebook V: Predicting Check Ins
- 1. 用 R 玩 Kaggle – 臉書打卡點預測 Play kaggle with R, Facebook V: Predicting Check Ins @Mia (R-Ladies) library(dplyr) r-ladies_global %>% filter(from = 'Taipei', travel_to = 'Lisbon')
- 2. The Agenda First Second Third Hey, Kaggle # with R-Ladies # with Masters Play R # Warm Up # EDA, Shiny Apps # Azure Jupyter Notebook Brief Intro # About R-Ladies # About me 2 Last Q&A # Recap # Resource Sharing
- 3. 1. Brief Intro Intro about R-Ladies and me! https://rladiestaipei.github.io/R-Ladies-Taipei/ 3
- 4. R-Ladies Taipei 4 Berl in Taiwa n 4 ● Founded in 2014 ● every month in Taipei, ● Our history: goo.gl/HbHNeP
- 5. Hello! I am Mia Chang (張懷文). ? Data Scientist, Lecturer ? Member of R-Ladies Taipei ? Co-founder of Azure Taiwan Community ? Microsoft Most Valuable Professionals (MVP) 2017 5
- 6. 2. Hey, Kaggle With R-Ladies and other masters! 6
- 7. 7
- 8. 8
- 9. 9
- 10. 3. Play R # Warm Up - 問題背景，問題定義 # Azure Jupiter Notebook # use Jupiter access Data # 結論 10
- 12. Warm Up - 關於這個問題背景，問題定義 12 With 8.6 million test records there are about a trillion (10^12) place-observation combinations.
- 13. Warm Up - 關於這個問題背景，問題定義 Schema row_id x y accuracy time place_id 13 EDA
- 14. “ Warm Up - 關於這個問題背景，問題定義 Three weeks into the eight-week competition, I climbed to the top of the public leaderboard with about 50 features 1. the summary data such as the number of historical check ins. 2. historical density of a place candidate, one year prior to the observation. 3.All features are rescaled if needed in order to result in similar interpretations for the train and test features. 14
- 16. EDA - 發現大家透過GPS, Wi-Fi or cellular 16 c
- 17. EDA - 尖峰打卡日 17
- 18. 玩資料 - Shinny App 18
- 19. 玩資料 - Github 19
- 20. 玩資料 - Azure Jupyter Notebook 20
- 21. 玩資料 - Azure Jupyter Notebook 21
- 22. # 演算法及結論 ＃Rcpp ＃It was expected that it would be clearly correlated with the variation in x and y but the pattern is not as obvious. Halfway through the competition I cracked the code ... 22
- 23. 4. Q&A # Recap # Action Item 23
- 24. Recap First Second Third Hey, Kaggle # with R-Ladies # with Masters Play R # Warm Up # EDA, Shiny Apps # Azure Jupyter Notebook Brief Intro # About R-Ladies # About me 24 Last Q&A # Recap # Resource Sharing
- 25. Action Item First Second Third Hi, Kaggle Play R Get your partners Visit R-Ladies R-Basic too! 25 Then ...
- 26. Thanks for your listening! 26 Look forward to your visit to R-Ladies Taipei! Also Azure Taiwan!
- 27. Bye! I am Mia Chang (張懷文) ? mia5419@gmail.com ? facebook.com/mia5419 27
- 28. 28 Take Away & Reference 1.Use EDA to help you find more feature. 2.Go to Kaggle website to get more resource to help you: forum, kernels 3.No matter you are learning R or you are going to traveling to visit other R-Ladies, call us for more resources :) 1. R-Ladies Meetup Page 2. R-Ladies Facebook Group 3. Blog Post by Tom Van de Wiele - Detail about implementation 4. Github Repository 5. Shiny App by Tom Van de Wiele - EDA that you can learn more 6. Kaggle Event Page 7. Microsoft Azure Notebooks