Chapter 14: Conclusion

Fundamentals

general concepts

how data science fits in business

ways of thinking analytically

attract, structure, grow teams

gives competitive advantage

tactical principles

help to gather appropriate data

consider appropriate methods

data mining process

high-level data science tasks

recall business problem always

data is an asset

associate cost and benefits

constraints

applying data science to problem

generalization and overfitting

Extracting the data

identifying informative attributes

fitting a numeric function model

controlling complexity

calculate similarities b/w objects in data

Recall from book

data science strategies

structuring business problems

use expected value

decompose problems in tasks

lift

how likely a pattern is

never just say ok

data scientist ask questions

Example

Applying data science

consumers switching to mobile devices from desktops

how co's reach them on mobiles

notice availability of info on location

ask the question!

how might we use this data

Changing the way we thing

don't change the problem

happens when try to fit what the data shows

what data can't do

humans and computers are better at diff. things

data science

integrate human and computer techniques

humans

good at evaluation stage

idea to optimize objective

using both to understand wants of people

ethical issues

privacy and data issues

raises the question: what is data privacy?

Final thoughts

data scientist should be able to describe process to anyone

be wary of jargon