February 18, 2020
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# #DS101: understanding the basics

February 18, 2020

## Transcript

3. ### aswansyahputra • Data Analyst @ Jabar Digital Service • Sensory

Scientist @ Sensolution.ID • Instructor @ R Academy Telkom University • Initiator of Komunitas R Indonesia
4. ### Unit di bawah Dinas Komunikasi dan Informatika Provinsi Jawa Barat

yang dicita-citakan dapat mempersempit kesenjangan digital, membantu efisiensi dan akurasi pengambilan kebijakan berbasis data dan teknologi, serta merevolusi pemakaian teknologi dalam kehidupan masyarakat serta pemerintahan di Jawa Barat. Jabar Digital Service

7. ### “Facts that can be analyzed or used in an effort

to gain knowledge or make decisions; information.” “a collection of facts, observations, or other information related to a particular question or problem.” “a collection of facts from which conclusions may be drawn.” – The American Heritage® Dictionary of the English Language, 5th Edition – GNU version of the Collaborative International Dictionary of English – WordNet 3.0 Copyright 2006 by Princeton University

10. ### Data science is the art of turning raw data into

understanding

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23. ### Data modeling Predict Explain “All models are wrong, but some

are useful” – George Box
24. ### Mean of x 9 exact Sample variance of x 11

exact Mean of y 7.50 to 2 decimal places Sample variance of y 4.125 ±0.003 Correlation between x and y 0.816 to 3 decimal places Linear regression line y = 3.00 + 0.500x to 2 and 3 decimal places, respectively R2 0.67 to 3 decimal places Anscombe’s Quartet

34. ### Easy to use for the standard things, but very frustrating

if you want to do something that is not already preprogrammed. Program like SPSS are busses...
35. ### R can take you anywhere you want to go if

you take time to learn how to use the equipment, but that is going to take longer than learning where the bus stops are in SPSS. R is a 4-wheel drive SUV (though environmentally friendly) with a bike on the back, a kayak on top, good walking and running shoes in the passenger seat, and mountain climbing and spelunking gear in the back.

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