Data Analytics at GWU

<div class="footer-small">
<span> |
<a href="#background">Background</a> |
<a href="#choose">Choice Experiment</a> |
<a href="#cars">Vehicle Listings</a> |
</span>
</div>

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# .center[Data Analytics at GWU]

<br>

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### <svg aria-hidden="true" role="img" viewBox="0 0 448 512" style="height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:black;overflow:visible;position:relative;"><path d="M272 304h-96C78.8 304 0 382.8 0 480c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32C448 382.8 369.2 304 272 304zM48.99 464C56.89 400.9 110.8 352 176 352h96c65.16 0 119.1 48.95 127 112H48.99zM224 256c70.69 0 128-57.31 128-128c0-70.69-57.31-128-128-128S96 57.31 96 128C96 198.7 153.3 256 224 256zM224 48c44.11 0 80 35.89 80 80c0 44.11-35.89 80-80 80S144 172.1 144 128C144 83.89 179.9 48 224 48z"/></svg> John Paul Helveston, Ph.D.
### <svg aria-hidden="true" role="img" viewBox="0 0 512 512" style="height:1em;width:1em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:black;overflow:visible;position:relative;"><path d="M243.4 2.6l-224 96c-14 6-21.8 21-18.7 35.8S16.8 160 32 160v8c0 13.3 10.7 24 24 24H456c13.3 0 24-10.7 24-24v-8c15.2 0 28.3-10.7 31.3-25.6s-4.8-29.9-18.7-35.8l-224-96c-8.1-3.4-17.2-3.4-25.2 0zM128 224H64V420.3c-.6 .3-1.2 .7-1.8 1.1l-48 32c-11.7 7.8-17 22.4-12.9 35.9S17.9 512 32 512H480c14.1 0 26.5-9.2 30.6-22.7s-1.1-28.1-12.9-35.9l-48-32c-.6-.4-1.2-.7-1.8-1.1V224H384V416H344V224H280V416H232V224H168V416H128V224zm128-96c-17.7 0-32-14.3-32-32s14.3-32 32-32s32 14.3 32 32s-14.3 32-32 32z"/></svg> Eng. Management & Systems Eng.
### <svg aria-hidden="true" role="img" viewBox="0 0 448 512" style="height:1em;width:0.88em;vertical-align:-0.125em;margin-left:auto;margin-right:auto;font-size:inherit;fill:black;overflow:visible;position:relative;"><path d="M152 64H296V24C296 10.75 306.7 0 320 0C333.3 0 344 10.75 344 24V64H384C419.3 64 448 92.65 448 128V448C448 483.3 419.3 512 384 512H64C28.65 512 0 483.3 0 448V128C0 92.65 28.65 64 64 64H104V24C104 10.75 114.7 0 128 0C141.3 0 152 10.75 152 24V64zM48 248H128V192H48V248zM48 296V360H128V296H48zM176 296V360H272V296H176zM320 296V360H400V296H320zM400 192H320V248H400V192zM400 408H320V464H384C392.8 464 400 456.8 400 448V408zM272 408H176V464H272V408zM128 408H48V448C48 456.8 55.16 464 64 464H128V408zM272 192H176V248H272V192z"/></svg> May 10, 2023

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# Hello World!

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### John Helveston, Ph.D.

Assistant Professor, Engineering Management & Systems Engineering

- 2016-2018 Postdoc at [Institute for Sustainable Energy](https://www.bu.edu/ise/), Boston University
- 2016 PhD in Engineering & Public Policy at Carnegie Mellon University
- 2015 MS in Engineering & Public Policy at Carnegie Mellon University
- 2010 BS in Engineering Science & Mechanics at Virginia Tech
- Website: [www.jhelvy.com](http://www.jhelvy.com/)

]]

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## Technology Change Lab

> I study how consumers, firms, markets, and policy affect technological change, with a focus on accelerating the transition to low-carbon technologies

### .center[Electric & Sustainable Vehicle Technologies]

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### .center[Market & Policy Analysis]

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### .center[U.S. - China Climate Relationship]

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# What is Data Analytics?

.font120[The science of analyzing raw data to draw out<br>**meaningful & actionable insights** to **inform decision-making**]

Image from https://r4ds.hadley.nz/

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# Data analytics in my lab

## Choice Experiments

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## Historical Data

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background-color: #000
class: center, middle, inverse

# How do you know what people want?

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## Which feature do you care more about?

.cols3[
## .center[Battery Life?]
<center>
<img src="images/phone_battery.png" width=100%>
</center>
]

.cols3[
## .center[Signal quality?]
<center>
<img src="images/phone_signal.png" width=100%>
</center>
]

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## **Conjoint Analysis**:
## Use choice data to model preferences

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# Undercutting Transit?

## Exploring potential competition between autonomous vehicles and public transportation in the U.S.

<br>

John P. Helveston, Assistant Professor, EMSE

Leah Kaplan, Ph.D. Student, EMSE

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background-color: #fff
class: middle, center

## Imagine you are going out for an evening leisure activity - <br> Which transportation option would you choose?

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background-color: #fff
class: center, middle

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background-color: #fff
class: center, middle

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# .center[Analyzing historical vehicle listings data]

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- New and used cars from 2016-2022
- ~66,000 dealerships

Powertrain | Listings 
-----------|-----------
Gasoline   | 64,573,536
Hybrid | 1,115,208
Battery Electric (BEV) | 301,713
Plug-In Hybrid (PHEV) | 198,129

]

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# .center[Estimating residual value of EVs]

John P. Helveston, Assistant Professor, EMSE

Laura Roberson, Ph.D. Student, EMSE

]

]

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# .center[Where are the EVs?]

John P. Helveston, Assistant Professor, EMSE

Kazi Asifa, Undergraduate Student, EMSE

]

]

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### .center[EVs are disproportionately supplied to ZEV states]

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background-color: #fff

## .center[Do EV owners drive as much as gasoline car owners?]

John P. Helveston, Assistant Professor, EMSE <br>
Lujin Zhao, Ph.D. Student, EMSE <br>
Eliese Ottinger, Undergraduate Student, EMSE

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<br>

# .center[.font150[Thanks!]]

### MS in Data Analytics Program:<br>https://emse.engineering.gwu.edu/ms-data-analytics

### Dr. Helveston's Lab:<br>https://jhelvy.com/

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