Domain > ravidawar.com

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Date	IP Address
2023-09-06	18.161.135.7 (ClassC)
2025-12-08	3.163.24.42 (ClassC)

HTTP/1.1 200 OKContent-Type: text/htmlContent-Length: 16853Connection: keep-aliveDate: Mon, 08 Dec 2025 00:57:09 GMTLast-Modified: Sat, 03 Apr 2021 05:53:15 GMTETag: c1b2d686774143f54d32175e018cce26Server: AmazonS3X-Cache: Miss from cloudfrontVia: 1.1 44e3ef26e727fc044d711ef45aefcd72.cloudfront.net (CloudFront)X-Amz-Cf-Pop: HIO52-P2X-Amz-Cf-Id: FALgHkocGxqkM10kY4Ybycm7BCC4uqMmz3NPpSdUbyqJJP_q1oaieQ

!DOCTYPE html>html langen-us>  head>    meta charsetutf-8>    meta http-equivX-UA-Compatible contentIEedge,chrome1>    meta http-equivContent-Security-Policy contentupgrade-insecure-requests>        title>Data Science Portfolio  | Home/title>    meta nameviewport contentwidthdevice-width,minimum-scale1>    meta namedescription contentHi! My name is Ravi Dawar.>    meta namegenerator contentHugo 0.82.0 />              META NAMEROBOTS CONTENTNOINDEX, NOFOLLOW>                link relstylesheet href//ravidawar.com/ananke/dist/main.css_5c99d70a7725bacd4c701e995b969fea.css >                              link href//ravidawar.com/index.xml relalternate typeapplication/rss+xml titleHome />      link href//ravidawar.com/index.xml relfeed typeapplication/rss+xml titleHome />              meta propertyog:title contentData Science Portfolio  />meta propertyog:description contentHi! My name is Ravi Dawar. />meta propertyog:type contentwebsite />meta propertyog:url content//ravidawar.com/ />meta itempropname contentData Science Portfolio >meta itempropdescription contentHi! My name is Ravi Dawar.>meta nametwitter:card contentsummary/>meta nametwitter:title contentData Science Portfolio />meta nametwitter:description contentHi! My name is Ravi Dawar./>	  /head>  body classma0 avenir bg-near-white>          header classcover bg-top stylebackground-image: url(//ravidawar.com/images/pic1.jpg);>    div classbg-black-60>      nav classpv3 ph3 ph4-ns rolenavigation>  div classflex-l justify-between items-center center>    a href//ravidawar.com/ classf3 fw2 hover-white no-underline white-90 dib>              Home          /a>    div classflex-l items-center>                    ul classpl0 mr3>                    li classlist f5 f4-ns fw4 dib pr3>            a classhover-white no-underline white-90 href//ravidawar.com/about/ titleAbout page>              About            /a>          /li>                    li classlist f5 f4-ns fw4 dib pr3>            a classhover-white no-underline white-90 href//ravidawar.com/contact/ titleContact page>              Contact            /a>          /li>                    li classlist f5 f4-ns fw4 dib pr3>            a classhover-white no-underline white-90 href//ravidawar.com/post/ titleProjects page>              Projects            /a>          /li>                  /ul>            a hrefhttps://www.linkedin.com/in/ravidawar/ target_blank classlink-transition linkedin link dib z-999 pt3 pt0-l mr1 titleLinkedIn link relnoopener aria-labelfollow on LinkedIn——Opens in a new window>  svg  height32px  styleenable-background:new 0 0 65 65; version1.1 viewBox0 0 65 65 width32px xml:spacepreserve xmlnshttp://www.w3.org/2000/svg xmlns:xlinkhttp://www.w3.org/1999/xlink>  path dM50.837,48.137V36.425c0-6.275-3.35-9.195-7.816-9.195  c-3.604,0-5.219,1.983-6.119,3.374V27.71h-6.79c0.09,1.917,0,20.427,0,20.427h6.79V36.729c0-0.609,0.044-1.219,0.224-1.655  c0.49-1.22,1.607-2.483,3.482-2.483c2.458,0,3.44,1.873,3.44,4.618v10.929H50.837z M22.959,24.922c2.367,0,3.842-1.57,3.842-3.531  c-0.044-2.003-1.475-3.528-3.797-3.528s-3.841,1.524-3.841,3.528c0,1.961,1.474,3.531,3.753,3.531H22.959z M34,64  C17.432,64,4,50.568,4,34C4,17.431,17.432,4,34,4s30,13.431,30,30C64,50.568,50.568,64,34,64z M26.354,48.137V27.71h-6.789v20.427  H26.354z stylefill-rule:evenodd;clip-rule:evenodd;fill:;/>/svg>span classnew-window>svg  height8px  styleenable-background:new 0 0 1000 1000; version1.1 viewBox0 0 1000 1000 width8px xml:spacepreserve xmlnshttp://www.w3.org/2000/svg xmlns:xlinkhttp://www.w3.org/1999/xlink >path dM598 128h298v298h-86v-152l-418 418-60-60 418-418h-152v-86zM810 810v-298h86v298c0 46-40 86-86 86h-596c-48 0-86-40-86-86v-596c0-46 38-86 86-86h298v86h-298v596h596z stylefill-rule:evenodd;clip-rule:evenodd;fill:;/>/svg>/span>/a>a hrefhttps://github.com/ravidawar target_blank classlink-transition github link dib z-999 pt3 pt0-l mr1 titleGithub link relnoopener aria-labelfollow on Github——Opens in a new window>  svg  height32px  styleenable-background:new 0 0 512 512; version1.1 viewBox0 0 512 512 width32px xml:spacepreserve xmlnshttp://www.w3.org/2000/svg xmlns:xlinkhttp://www.w3.org/1999/xlink >  path dM256,32C132.3,32,32,134.8,32,261.7c0,101.5,64.2,187.5,153.2,217.9c11.2,2.1,15.3-5,15.3-11.1   c0-5.5-0.2-19.9-0.3-39.1c-62.3,13.9-75.5-30.8-75.5-30.8c-10.2-26.5-24.9-33.6-24.9-33.6c-20.3-14.3,1.5-14,1.5-14   c22.5,1.6,34.3,23.7,34.3,23.7c20,35.1,52.4,25,65.2,19.1c2-14.8,7.8-25,14.2-30.7c-49.7-5.8-102-25.5-102-113.5   c0-25.1,8.7-45.6,23-61.6c-2.3-5.8-10-29.2,2.2-60.8c0,0,18.8-6.2,61.6,23.5c17.9-5.1,37-7.6,56.1-7.7c19,0.1,38.2,2.6,56.1,7.7   c42.8-29.7,61.5-23.5,61.5-23.5c12.2,31.6,4.5,55,2.2,60.8c14.3,16.1,23,36.6,23,61.6c0,88.2-52.4,107.6-102.3,113.3   c8,7.1,15.2,21.1,15.2,42.5c0,30.7-0.3,55.5-0.3,63c0,6.1,4,13.3,15.4,11C415.9,449.1,480,363.1,480,261.7   C480,134.8,379.7,32,256,32z/>/svg>span classnew-window>svg  height8px  styleenable-background:new 0 0 1000 1000; version1.1 viewBox0 0 1000 1000 width8px xml:spacepreserve xmlnshttp://www.w3.org/2000/svg xmlns:xlinkhttp://www.w3.org/1999/xlink >path dM598 128h298v298h-86v-152l-418 418-60-60 418-418h-152v-86zM810 810v-298h86v298c0 46-40 86-86 86h-596c-48 0-86-40-86-86v-596c0-46 38-86 86-86h298v86h-298v596h596z stylefill-rule:evenodd;clip-rule:evenodd;fill:;/>/svg>/span>/a>    /div>  /div>/nav>      div classtc-l pv4 pv6-l ph3 ph4-ns>        h1 classf2 f-subheadline-l fw2 white-90 mb0 lh-title>          Data Science Portfolio         /h1>                  h2 classfw1 f5 f3-l white-80 measure-wide-l center mt3>            Hi! My name is Ravi Dawar.          /h2>              /div>    /div>  /header>    main classpb7 rolemain>        article classcf ph3 ph5-l pv3 pv4-l f4 tc-l center measure-wide lh-copy mid-gray>    p>Born and raised in India, currently living in Austin. Working for Codersdata LLC within their Data Analytics Team./p>p>Intrigued by problem solving, travelling, photography, classical music, strategy and good food. I enjoy turning complex problems into simple, beautiful and intuitive visuals. When I’m not crunching or pushing data, you’ll find me travelling - regulating imagination by reality !/p>p>Seeking to be inspired, to envision the unlikely, to work hard for things that are worth it, and to be surrounded by those who bring out the best in me./p>a href//ravidawar.com/resume/Ravi_Dawar_Resume.pdf classlink db f6 pa2 br3 bg-mid-gray white dim w4 tc ba  dib f7 hover-bg-moon-gray  link >My Resume/a>  /article>                          div classpa3 pa4-ns w-100 w-70-ns center>                       h1 classflex-none>            Recent Projects          /h1>                    section classw-100 mw8>                          div classrelative w-100 mb4>            article classbb b--black-10>  div classdb pv4 ph3 ph0-l no-underline dark-gray>    div classflex flex-column flex-row-ns>                                div classpr3-ns mb4 mb0-ns w-100 w-40-ns>          a href//ravidawar.com/post/chapter-7/ classdb grow>            img src//ravidawar.com/images/data-engineer.jpg classimg altimage from Data Engineering Nanodegree>          /a>        /div>            div classblah w-100 w-60-ns pl3-ns>        h1 classf3 fw1 athelas mt0 lh-title>          a href//ravidawar.com/post/chapter-7/ classcolor-inherit dim link>            Data Engineering Nanodegree            /a>        /h1>        div classf6 f5-l lh-copy nested-copy-line-height nested-links>          Projects and resources developed in the Data Engineering Nanodegree from Udacity.Project 1: Relational Databases - Data Modeling with PostgreSQL Developed a relational database using PostgreSQL to model user activity data for a music streaming app. Skills include: Created a relational database using PostgreSQL Developed a Star Schema database using optimized definitions of Fact and Dimension tables. Normalization of tables. Built out an ETL pipeline to optimize queries in order to understand what songs users listen to.        /div>          a href//ravidawar.com/post/chapter-7/ classba b--moon-gray bg-light-gray br2 color-inherit dib f7 hover-bg-moon-gray link mt2 ph2 pv1>read more/a>              /div>    /div>  /div>/article>          /div>                  div classrelative w-100 mb4>            article classbb b--black-10>  div classdb pv4 ph3 ph0-l no-underline dark-gray>    div classflex flex-column flex-row-ns>                                div classpr3-ns mb4 mb0-ns w-100 w-40-ns>          a href//ravidawar.com/post/chapter-4/ classdb grow>            img src//ravidawar.com/images/Twitter3.jpg classimg altimage from Predicting “Buzzworthiness” of Tweets>          /a>        /div>            div classblah w-100 w-60-ns pl3-ns>        h1 classf3 fw1 athelas mt0 lh-title>          a href//ravidawar.com/post/chapter-4/ classcolor-inherit dim link>            Predicting “Buzzworthiness” of Tweets            /a>        /h1>        div classf6 f5-l lh-copy nested-copy-line-height nested-links>          This project involves the analysis of subset of the UCI Dataset for Social Media Buzz. You can download the data from hereThe Dataset has two parts - one which has been used for Classification and the other which has been used for regression. The goal of this project is to mainly find out the optimum machine learning model or a ensemble of models that can accurately classify a social media data-point to be a buzz or not.        /div>          a href//ravidawar.com/post/chapter-4/ classba b--moon-gray bg-light-gray br2 color-inherit dib f7 hover-bg-moon-gray link mt2 ph2 pv1>read more/a>              /div>    /div>  /div>/article>          /div>                  div classrelative w-100 mb4>            article classbb b--black-10>  div classdb pv4 ph3 ph0-l no-underline dark-gray>    div classflex flex-column flex-row-ns>                                div classpr3-ns mb4 mb0-ns w-100 w-40-ns>          a href//ravidawar.com/post/chapter-5/ classdb grow>            img src//ravidawar.com/images/unnamed.jpg classimg altimage from Analyzing Quora with Natural Language Processing (NLP)>          /a>        /div>            div classblah w-100 w-60-ns pl3-ns>        h1 classf3 fw1 athelas mt0 lh-title>          a href//ravidawar.com/post/chapter-5/ classcolor-inherit dim link>            Analyzing Quora with Natural Language Processing (NLP)            /a>        /h1>        div classf6 f5-l lh-copy nested-copy-line-height nested-links>          This project involves the building NLP models to identify Quora question pairs that have the same intent or in other words are the question duplicate?•	Implemented and investigated effects of different machine learning models in order to identify Quora question pairs that have the same intent•	Achieved an accuracy of 82.92% using pretrained word2vec embeddings with Manhattan Siamese-LSTM Technique Used: Manhattan Siamese-LSTM, TF-IDF, Word2vec Embedding, XGBoost, Adam optimizer Check out the project on GitHub        /div>          a href//ravidawar.com/post/chapter-5/ classba b--moon-gray bg-light-gray br2 color-inherit dib f7 hover-bg-moon-gray link mt2 ph2 pv1>read more/a>              /div>    /div>  /div>/article>          /div>              /section>            section classw-100>        h1 classf3>More/h1>                          h2 classf5 fw4 mb4 dib mr3>            a href//ravidawar.com/post/chapter-2/ classlink black dim>              Building & Testing a Customer Segmentation and a scoring system             /a>          /h2>                  h2 classf5 fw4 mb4 dib mr3>            a href//ravidawar.com/post/chapter-3/ classlink black dim>              Boosting Sales for Oral-B / P&G            /a>          /h2>                  h2 classf5 fw4 mb4 dib mr3>            a href//ravidawar.com/post/chapter-1/ classlink black dim>              Building a custom Chatbot            /a>          /h2>                  h2 classf5 fw4 mb4 dib mr3>            a href//ravidawar.com/post/chapter-8/ classlink black dim>              Unemployment and its effects            /a>          /h2>                                  a href//ravidawar.com/post/ classlink db f6 pa2 br3 bg-mid-gray white dim w4 tc>All Projects/a>                /section>            /div>      /main>    footer classbg-black bottom-0 w-100 pa3 rolecontentinfo>  div classflex justify-between>  a classf4 fw4 hover-white no-underline white-70 dn dib-ns pv2 ph3 href//ravidawar.com/ >    ©  Home 2021   /a>    div>a hrefhttps://www.linkedin.com/in/ravidawar/ target_blank classlink-transition linkedin link dib z-999 pt3 pt0-l mr1 titleLinkedIn link relnoopener aria-labelfollow on LinkedIn——Opens in a new window>  svg  height32px  styleenable-background:new 0 0 65 65; version1.1 viewBox0 0 65 65 width32px xml:spacepreserve xmlnshttp://www.w3.org/2000/svg xmlns:xlinkhttp://www.w3.org/1999/xlink>  path dM50.837,48.137V36.425c0-6.275-3.35-9.195-7.816-9.195  c-3.604,0-5.219,1.983-6.119,3.374V27.71h-6.79c0.09,1.917,0,20.427,0,20.427h6.79V36.729c0-0.609,0.044-1.219,0.224-1.655  c0.49-1.22,1.607-2.483,3.482-2.483c2.458,0,3.44,1.873,3.44,4.618v10.929H50.837z M22.959,24.922c2.367,0,3.842-1.57,3.842-3.531  c-0.044-2.003-1.475-3.528-3.797-3.528s-3.841,1.524-3.841,3.528c0,1.961,1.474,3.531,3.753,3.531H22.959z M34,64  C17.432,64,4,50.568,4,34C4,17.431,17.432,4,34,4s30,13.431,30,30C64,50.568,50.568,64,34,64z M26.354,48.137V27.71h-6.789v20.427  H26.354z stylefill-rule:evenodd;clip-rule:evenodd;fill:;/>/svg>span classnew-window>svg  height8px  styleenable-background:new 0 0 1000 1000; version1.1 viewBox0 0 1000 1000 width8px xml:spacepreserve xmlnshttp://www.w3.org/2000/svg xmlns:xlinkhttp://www.w3.org/1999/xlink >path dM598 128h298v298h-86v-152l-418 418-60-60 418-418h-152v-86zM810 810v-298h86v298c0 46-40 86-86 86h-596c-48 0-86-40-86-86v-596c0-46 38-86 86-86h298v86h-298v596h596z stylefill-rule:evenodd;clip-rule:evenodd;fill:;/>/svg>/span>/a>a hrefhttps://github.com/ravidawar target_blank classlink-transition github link dib z-999 pt3 pt0-l mr1 titleGithub link relnoopener aria-labelfollow on Github——Opens in a new window>  svg  height32px  styleenable-background:new 0 0 512 512; 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