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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Word Prediction: Coursera Data Science Capstone Project</title>
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<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
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.slides>section.future{-webkit-transform:translate3d(100%,0,0) rotateY(-90deg) translate3d(100%,0,0);-moz-transform:translate3d(100%,0,0) rotateY(-90deg) translate3d(100%,0,0);-ms-transform:translate3d(100%,0,0) rotateY(-90deg) translate3d(100%,0,0);transform:translate3d(100%,0,0) rotateY(-90deg) translate3d(100%,0,0)}.reveal .slides>section>section[data-transition=concave].past,.reveal.concave .slides>section>section.past{-webkit-transform:translate3d(0,-80%,0) rotateX(-70deg) translate3d(0,-80%,0);-moz-transform:translate3d(0,-80%,0) rotateX(-70deg) translate3d(0,-80%,0);-ms-transform:translate3d(0,-80%,0) rotateX(-70deg) translate3d(0,-80%,0);transform:translate3d(0,-80%,0) rotateX(-70deg) translate3d(0,-80%,0)}.reveal .slides>section>section[data-transition=concave].future,.reveal.concave .slides>section>section.future{-webkit-transform:translate3d(0,80%,0) rotateX(70deg) translate3d(0,80%,0);-moz-transform:translate3d(0,80%,0) rotateX(70deg) translate3d(0,80%,0);-ms-transform:translate3d(0,80%,0) rotateX(70deg) translate3d(0,80%,0);transform:translate3d(0,80%,0) rotateX(70deg) translate3d(0,80%,0)}.reveal .slides>section[data-transition=zoom].past,.reveal.zoom .slides>section.past{opacity:0;visibility:hidden;-webkit-transform:scale(16);-moz-transform:scale(16);-ms-transform:scale(16);-o-transform:scale(16);transform:scale(16)}.reveal .slides>section[data-transition=zoom].future,.reveal.zoom .slides>section.future{opacity:0;visibility:hidden;-webkit-transform:scale(0.2);-moz-transform:scale(0.2);-ms-transform:scale(0.2);-o-transform:scale(0.2);transform:scale(0.2)}.reveal .slides>section>section[data-transition=zoom].past,.reveal.zoom .slides>section>section.past{-webkit-transform:translate(0,-150%);-moz-transform:translate(0,-150%);-ms-transform:translate(0,-150%);-o-transform:translate(0,-150%);transform:translate(0,-150%)}.reveal .slides>section>section[data-transition=zoom].future,.reveal.zoom 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rotateY(-90deg);-moz-transform:translate3d(-100%,0,0) rotateY(-90deg);-ms-transform:translate3d(-100%,0,0) rotateY(-90deg);transform:translate3d(-100%,0,0) rotateY(-90deg)}.reveal.cube .slides>section.future{-webkit-transform-origin:0 0;-moz-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;-webkit-transform:translate3d(100%,0,0) rotateY(90deg);-moz-transform:translate3d(100%,0,0) rotateY(90deg);-ms-transform:translate3d(100%,0,0) rotateY(90deg);transform:translate3d(100%,0,0) rotateY(90deg)}.reveal.cube .slides>section>section.past{-webkit-transform-origin:0 100%;-moz-transform-origin:0 100%;-ms-transform-origin:0 100%;transform-origin:0 100%;-webkit-transform:translate3d(0,-100%,0) rotateX(90deg);-moz-transform:translate3d(0,-100%,0) rotateX(90deg);-ms-transform:translate3d(0,-100%,0) rotateX(90deg);transform:translate3d(0,-100%,0) rotateX(90deg)}.reveal.cube .slides>section>section.future{-webkit-transform-origin:0 0;-moz-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;-webkit-transform:translate3d(0,100%,0) rotateX(-90deg);-moz-transform:translate3d(0,100%,0) rotateX(-90deg);-ms-transform:translate3d(0,100%,0) rotateX(-90deg);transform:translate3d(0,100%,0) rotateX(-90deg)}.reveal.page .slides{-webkit-perspective-origin:0 50%;-moz-perspective-origin:0 50%;-ms-perspective-origin:0 50%;perspective-origin:0 50%;-webkit-perspective:3000px;-moz-perspective:3000px;-ms-perspective:3000px;perspective:3000px}.reveal.page .slides section{padding:30px;min-height:700px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.reveal.page .slides section.past{z-index:12}.reveal.page .slides section:not(.stack):before{content:'';position:absolute;display:block;width:100%;height:100%;left:0;top:0;background:rgba(0,0,0,.1);-webkit-transform:translateZ(-20px);-moz-transform:translateZ(-20px);-ms-transform:translateZ(-20px);-o-transform:translateZ(-20px);transform:translateZ(-20px)}.reveal.page .slides section:not(.stack):after{content:'';position:absolute;display:block;width:90%;height:30px;left:5%;bottom:0;background:0;z-index:1;border-radius:4px;box-shadow:0 95px 25px rgba(0,0,0,.2);-webkit-transform:translateZ(-90px) rotateX(65deg)}.reveal.page .slides>section.stack{padding:0;background:0}.reveal.page .slides>section.past{-webkit-transform-origin:0 0;-moz-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;-webkit-transform:translate3d(-40%,0,0) rotateY(-80deg);-moz-transform:translate3d(-40%,0,0) rotateY(-80deg);-ms-transform:translate3d(-40%,0,0) rotateY(-80deg);transform:translate3d(-40%,0,0) rotateY(-80deg)}.reveal.page .slides>section.future{-webkit-transform-origin:100% 0;-moz-transform-origin:100% 0;-ms-transform-origin:100% 0;transform-origin:100% 0;-webkit-transform:translate3d(0,0,0);-moz-transform:translate3d(0,0,0);-ms-transform:translate3d(0,0,0);transform:translate3d(0,0,0)}.reveal.page .slides>section>section.past{-webkit-transform-origin:0 0;-moz-transform-origin:0 0;-ms-transform-origin:0 0;transform-origin:0 0;-webkit-transform:translate3d(0,-40%,0) rotateX(80deg);-moz-transform:translate3d(0,-40%,0) rotateX(80deg);-ms-transform:translate3d(0,-40%,0) rotateX(80deg);transform:translate3d(0,-40%,0) rotateX(80deg)}.reveal.page .slides>section>section.future{-webkit-transform-origin:0 100%;-moz-transform-origin:0 100%;-ms-transform-origin:0 100%;transform-origin:0 100%;-webkit-transform:translate3d(0,0,0);-moz-transform:translate3d(0,0,0);-ms-transform:translate3d(0,0,0);transform:translate3d(0,0,0)}.reveal .slides section[data-transition=fade],.reveal.fade .slides section,.reveal.fade .slides>section>section{-webkit-transform:none;-moz-transform:none;-ms-transform:none;-o-transform:none;transform:none;-webkit-transition:opacity .5s;-moz-transition:opacity .5s;-ms-transition:opacity .5s;-o-transition:opacity .5s;transition:opacity .5s}.reveal.fade.overview .slides section,.reveal.fade.overview 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section:before{display:none!important}.reveal.overview .slides section>section{opacity:1;cursor:pointer}.reveal.overview .slides section:hover{background:rgba(0,0,0,.3)}.reveal.overview .slides section.present{background:rgba(0,0,0,.3)}.reveal.overview .slides>section.stack{padding:0;background:0;overflow:visible}.reveal .pause-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000;visibility:hidden;opacity:0;z-index:100;-webkit-transition:all 1s ease;-moz-transition:all 1s ease;-ms-transition:all 1s ease;-o-transition:all 1s ease;transition:all 1s ease}.reveal.paused .pause-overlay{visibility:visible;opacity:1}.no-transforms{overflow-y:auto}.no-transforms .reveal .slides{position:relative;width:80%;height:auto!important;top:0;left:50%;margin:0;text-align:center}.no-transforms .reveal .controls,.no-transforms .reveal .progress{display:none!important}.no-transforms .reveal .slides section{display:block!important;opacity:1!important;position:relative!important;height:auto;min-height:auto;top:0;left:-50%;margin:70px 0;-webkit-transform:none;-moz-transform:none;-ms-transform:none;-o-transform:none;transform:none}.no-transforms .reveal .slides section section{left:0}.no-transition{-webkit-transition:none;-moz-transition:none;-ms-transition:none;-o-transition:none;transition:none}.reveal .state-background{position:absolute;width:100%;height:100%;background:rgba(0,0,0,0);-webkit-transition:background 800ms ease;-moz-transition:background 800ms ease;-ms-transition:background 800ms ease;-o-transition:background 800ms ease;transition:background 800ms ease}.alert .reveal .state-background{background:rgba(200,50,30,.6)}.soothe .reveal .state-background{background:rgba(50,200,90,.4)}.blackout .reveal .state-background{background:rgba(0,0,0,.6)}.whiteout .reveal .state-background{background:rgba(255,255,255,.6)}.cobalt .reveal .state-background{background:rgba(22,152,213,.6)}.mint .reveal .state-background{background:rgba(22,213,75,.6)}.submerge .reveal .state-background{background:rgba(12,25,77,.6)}.lila .reveal .state-background{background:rgba(180,50,140,.6)}.sunset .reveal .state-background{background:rgba(255,122,0,.6)}.reveal.rtl .slides,.reveal.rtl .slides h1,.reveal.rtl .slides h2,.reveal.rtl .slides h3,.reveal.rtl .slides h4,.reveal.rtl .slides h5,.reveal.rtl .slides h6{direction:rtl;font-family:sans-serif}.reveal.rtl pre,.reveal.rtl code{direction:ltr}.reveal.rtl ol,.reveal.rtl ul{text-align:right}.reveal.rtl .progress span{float:right}.reveal aside.notes{display:none}.zoomed .reveal *,.zoomed .reveal :before,.zoomed .reveal :after{-webkit-transform:none!important;-moz-transform:none!important;-ms-transform:none!important;transform:none!important;-webkit-backface-visibility:visible!important;-moz-backface-visibility:visible!important;-ms-backface-visibility:visible!important;backface-visibility:visible!important}.zoomed .reveal .progress,.zoomed .reveal .controls{opacity:0}.zoomed .reveal .roll span{background:0}.zoomed .reveal .roll span:after{visibility:hidden}
</style>
<style type="text/css" >
/**
* A simple theme for reveal.js presentations, similar
* to the default theme. The accent color is darkblue.
*
* This theme is Copyright (C) 2012 Owen Versteeg, https://github.com/StereotypicalApps. It is MIT licensed.
* reveal.js is Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
*/
/*********************************************
* GLOBAL STYLES
*********************************************/
body {
background: white;
background-color: white; }
.reveal {
font-family: "Lato", sans-serif;
font-size: 36px;
font-weight: 200;
letter-spacing: -0.02em;
color: black; }
::selection {
color: white;
background: rgba(0, 0, 0, 0.99);
text-shadow: none; }
/*********************************************
* HEADERS
*********************************************/
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
margin: 0 0 20px 0;
color: black;
font-family: "News Cycle", Impact, sans-serif;
line-height: 0.9em;
letter-spacing: 0.02em;
text-transform: none;
text-shadow: none; }
.reveal h1 {
text-shadow: 0px 0px 6px rgba(0, 0, 0, 0.2); }
/*********************************************
* LINKS
*********************************************/
.reveal a:not(.image) {
color: darkblue;
text-decoration: none;
-webkit-transition: color .15s ease;
-moz-transition: color .15s ease;
-ms-transition: color .15s ease;
-o-transition: color .15s ease;
transition: color .15s ease; }
.reveal a:not(.image):hover {
color: #0000f1;
text-shadow: none;
border: none; }
.reveal .roll span:after {
color: #fff;
background: #00003f; }
/*********************************************
* IMAGES
*********************************************/
.reveal section img {
margin: 15px 0px;
background: rgba(255, 255, 255, 0.12);
border: 4px solid black;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
-webkit-transition: all .2s linear;
-moz-transition: all .2s linear;
-ms-transition: all .2s linear;
-o-transition: all .2s linear;
transition: all .2s linear; }
.reveal a:hover img {
background: rgba(255, 255, 255, 0.2);
border-color: darkblue;
box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
/*********************************************
* NAVIGATION CONTROLS
*********************************************/
.reveal .controls div.navigate-left,
.reveal .controls div.navigate-left.enabled {
border-right-color: darkblue; }
.reveal .controls div.navigate-right,
.reveal .controls div.navigate-right.enabled {
border-left-color: darkblue; }
.reveal .controls div.navigate-up,
.reveal .controls div.navigate-up.enabled {
border-bottom-color: darkblue; }
.reveal .controls div.navigate-down,
.reveal .controls div.navigate-down.enabled {
border-top-color: darkblue; }
.reveal .controls div.navigate-left.enabled:hover {
border-right-color: #0000f1; }
.reveal .controls div.navigate-right.enabled:hover {
border-left-color: #0000f1; }
.reveal .controls div.navigate-up.enabled:hover {
border-bottom-color: #0000f1; }
.reveal .controls div.navigate-down.enabled:hover {
border-top-color: #0000f1; }
/*********************************************
* PROGRESS BAR
*********************************************/
.reveal .progress {
background: rgba(0, 0, 0, 0.2); }
.reveal .progress span {
background: darkblue;
-webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
-o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
</style>
<style type="text/css">
.reveal h1 {
font-size: 2.5em;
}
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
margin-bottom: .6em;
}
.reveal p,
.reveal table {
margin-bottom: 1em;
}
.reveal li {
margin-bottom: .4em;
}
.reveal ul ul,
.reveal ul ol,
.reveal ol ol,
.reveal ol ul {
margin-top: .4em;
}
.reveal .slides {
text-align: left;
}
.reveal small {
font-size: 0.85em;
}
.reveal pre {
margin-top: 0;
max-width: 95%;
border: 1px solid #ccc;
white-space: pre-wrap;
margin-bottom: 1em;
}
.reveal pre code {
display: block; padding: 0.5em;
font-size: 1.6em;
line-height: 1.1em;
background-color: white;
overflow: visible;
max-height: none;
word-wrap: normal;
}
.reveal code {
overflow: visible;
max-height: none;
}
.reveal code.r {
background-color: #F8F8F8;
}
.reveal code.cpp {
background-color: #F8F8F8;
}
.reveal section del {
text-decoration: none;
color: #AAB1BA;
}
.reveal section img {
border: none;
}
.reveal section .fieldError {
margin-bottom: 25px;
}
.reveal section .fieldError span {
color: red;
}
.prompt .reveal .state-background {
background: #C6D7DC;
}
.quiz-multichoice .reveal .state-background {
background: rgba(254,220,179,1);
}
.quiz-multichoice .reveal ul {
list-style-type: none;
margin-bottom: 30px;
}
.quiz-multichoice .reveal li {
margin-top: 15px;
}
.quiz-multichoice .reveal .quizFeedback {
margin-bottom: 30px;
}
.quiz-multichoice .reveal .quizFeedback img {
border: none;
box-shadow: none;
background: transparent;
float: left;
margin-top: -15px;
}
.quiz-multichoice .reveal .quizFeedback span {
font-size: 1.4em;
margin-left: 12px;
}
.section .reveal .state-background {
background: #96A2B6;
}
.section .reveal h1,
.section .reveal h2,
.section .reveal p {
color: white;
margin-top: 50px;
}
.sub-section .reveal .state-background {
background: #E7E8EA
}
.sub-section .reveal h2,
.sub-section .reveal p {
color: #63717B;
margin-top: 50px;
}
.reveal strong {
color: #25679E;
}
.reveal .controls {
right: -20px;
bottom: 5px;
}
.reveal .controls div.navigate-left {
top: 75px;
}
.reveal .controls div.navigate-right {
left: 54px;
top: 75px;
}
.reveal .controls div.navigate-up {
display: none;
}
.reveal .controls div.navigate-down {
display: none;
}
/*********************************************
* NAVIGATION CONTROLS
*********************************************/
.reveal .controls div.navigate-left,
.reveal .controls div.navigate-left.enabled {
border-right-color: #25679E;
}
.reveal .controls div.navigate-right,
.reveal .controls div.navigate-right.enabled {
border-left-color: #25679E;
}
.reveal .controls div.navigate-up,
.reveal .controls div.navigate-up.enabled {
border-bottom-color: #25679E;
}
.reveal .controls div.navigate-down,
.reveal .controls div.navigate-down.enabled {
border-top-color: #25679E;
}
.reveal .controls div.navigate-left.enabled:hover {
border-right-color: #267EC8;
}
.reveal .controls div.navigate-right.enabled:hover {
border-left-color: #267EC8;
}
.reveal .controls div.navigate-up.enabled:hover {
border-bottom-color: #267EC8;
}
.reveal .controls div.navigate-down.enabled:hover {
border-top-color: #267EC8;
}
.reveal .progress span {
background: #25679E;
}
.reveal .slides>section,
.reveal .slides>section>section {
padding: 0px 0px;
}
.reveal table {
border-width: 1px;
border-spacing: 2px;
border-style: dotted;
border-color: gray;
border-collapse: collapse;
font-size: 0.7em;
}
.reveal table th {
border-width: 1px;
padding-left: 10px;
padding-right: 25px;
font-weight: bold;
border-style: dotted;
border-color: gray;
}
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<h1>Word Prediction: Coursera Data Science Capstone Project</h1><p>Harrison Hassig<br/>March 26, 2017</p>
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<h3>Introduction</h3>
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<p><small>The following presentation is designed to showcase my skills learned in the Data Science Specialization from Coursera and John Hopkins University. In this project, JHU partnered with Swiftkey (<a href="http://swiftkey.com">http://swiftkey.com</a>) to apply data science for use of natural language processing and ultimately the prediction of the next word in a small data set.</p>
<p>The objective of this project was to build a working predictive text model. The data used in the model came from a <strong>corpus</strong> called HC Corpora (<a href="http://www.corpora.heliohost.org">www.corpora.heliohost.org</a>).</p>
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<h3>Algorithm Development</h3>
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<p><small>The algorithm developed to predict the next word in a user-entered text string was based on a
classic <strong>N-gram</strong> model. Using a subset of cleaned data from the provided data set, unigrams, bigrams, and trigrams were computed.</p>
<p>Ultimately, this allowed me to predict the next word of a user-inputted string of words, presented in my shiny application, capstone project, and what I am pitching to you today.</p>
<p>More information can be found here:
<a href="https://rpubs.com/HHassig/251855">https://rpubs.com/HHassig/251855</a></p>
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<h3>The Shiny Application</h3>
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<p><small>Using the algorithm and plan described in the previous link, a Shiny application (shiny.rstudio.com) was created and hosted here:
<a href="https://hhassig.shinyapps.io/Capstone/">https://hhassig.shinyapps.io/Capstone/</a></p>
<p>This application is our propreitary algorithm and accepts a word or phrase as input and suggests a word from the dataset and training done (via linear interpolation of trigrams, bigrams, unigrams) that is <em>believed</em> to be most likely to be the next word the user wishes to utilize.</p>
<p>The source files for this project can be found:
<a href="https://github.com/HHassig/Coursera-Data-Science-Capstone">https://github.com/HHassig/Coursera-Data-Science-Capstone</a></p>
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<h3>Using the Application</h3>
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<p><small>Simply type in a phrase and hit “Predict!” and the application will provide the top word based on our algorithm, as well as its likelihood as a percentage, and the alternative choices and their percentages.
We believe this application to be easy to use, and its usage beyond this web app is unlimited and scalable. Please enjoy our live demonstration and we are looking forward to your questions.</p>
<p><a href="mailto:-HarrisonHassig@fakeemail.com">-HarrisonHassig@fakeemail.com</a></p>
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