更新时间:2021-07-02 14:59:37
coverpage
Title Page
Copyright
Statistics for Data Science
Credits
About the Author
About the Reviewer
www.PacktPub.com
Why subscribe?
Customer Feedback
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Downloading the color images of this book
Errata
Piracy
Questions
Transitioning from Data Developer to Data Scientist
Data developer thinking
Objectives of a data developer
Querying or mining
Data quality or data cleansing
Data modeling
Issue or insights
Thought process
Developer versus scientist
New data new source
Quality questions
Querying and mining
Performance
Financial reporting
Visualizing
Tools of the trade
Advantages of thinking like a data scientist
Developing a better approach to understanding data
Using statistical thinking during program or database designing
Adding to your personal toolbox
Increased marketability
Perpetual learning
Seeing the future
Transitioning to a data scientist
Let's move ahead
Summary
Declaring the Objectives
Key objectives of data science
Collecting data
Processing data
Exploring and visualizing data
Analyzing the data and/or applying machine learning to the data
Deciding (or planning) based upon acquired insight
Thinking like a data scientist
Bringing statistics into data science
Common terminology
Statistical population
Probability
False positives
Statistical inference
Regression
Fitting
Categorical data
Classification
Clustering
Statistical comparison
Coding
Distributions
Data mining
Decision trees
Machine learning
Munging and wrangling
Visualization
D3
Regularization
Assessment
Cross-validation
Neural networks
Boosting
Lift
Mode
Outlier
Predictive modeling
Big Data
Confidence interval
Writing
A Developer's Approach to Data Cleaning
Understanding basic data cleaning
Common data issues
Contextual data issues
Cleaning techniques
R and common data issues
Outliers
Step 1 – Profiling the data
Step 2 – Addressing the outliers
Domain expertise
Validity checking