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Primer On
Data Characteristics & Measurements
Puneet Arora
Ecologic Corporation
About Me
linkedin.com/in/puneetarora2000/
ASK Questions ON
twitter.com/puneetarora2000
Topic Covered:
What is Quality of Data ?
What is the meaning of Characteristics of Data ?
What is Metrics, Measurement ?
What is Big Data ?
What is Data Fusion ?
What is Data Argumentation ?
Types of AI
Issues in AI & Machine Learning
AI based Decision Making & Judgement
Data
Quality of Data
Accuracy and
Precision
Legitimacy &
Validity
Reliability &
Consistency
Timeliness &
Relevance
Completeness &
Comprehensiveness
Availability &
Accessibility
OwnerShip
Granularity &
Uniqueness
ASK Questions ON
twitter.com/puneetarora2000
Types
ASK Questions ON
twitter.com/puneetarora2000
Shape of Data
Symmetric
Data
Asymmetric
Data /Skewed
Data
ASK Questions ON
twitter.com/puneetarora2000
Long & Short Tail
Long
Short
ASK Questions ON
twitter.com/puneetarora2000
Primer on Data Characteristics for Machine Learning For Non-Technicals
Categorical Data
Cats Dogs Elephants
Types of Categorical Data
Ordinal e.g
Rank ,
Score
BigData
Data
Audio
Video
Sensor
ASK Questions ON
twitter.com/puneetarora2000
Data
Social
Economic
Political Data
ASK Questions ON
twitter.com/puneetarora2000
Measurements of Data
= Stories = Message,
Eliminate clutter
ASK Questions ON
twitter.com/puneetarora2000
Data Measurement & Analysis
Descriptive Exploratory Inferential
Mechanistic Causal
Predictive
ASK Questions ON
twitter.com/puneetarora2000
Explorative Analysis = Find Insights =
Interesting Variables
Mean , Mode, Median, Standard Deviation + Factor Analysis + Variate
Analysis
EDA explores data to find relationships between measures that tells us they exist, without the cause.
They can be used to formulate hypotheses.
Write Travel Journal
Descriptive Analysis = Explanation
Mean , Mode, Median, Standard Deviation,Skewness
Explanation = Story
What to measure
ASK Questions ON
twitter.com/puneetarora2000
Inferential Analysis = Guesswork
from Small Data
Distribution Shape,Variability,Skewness, Average, Factors
Tell about your Intelligent Guess
(conclusion) and intuition
(Prediction) from Data
ASK Questions ON
twitter.com/puneetarora2000
Predictive Analysis = History Analysis
Time series analysis, Regression
Use History to Tell Future
ASK Questions ON
twitter.com/puneetarora2000
Causal Analysis = Find root of the
problem ,but don’t blame
Correlation Analysis , Factor Analysis , Fish Bone Diagram
Find Cause , Write about ‘Effect’
ASK Questions ON
twitter.com/puneetarora2000
Mechanistic Analysis = Find Changes
Applied in physical or engineering sciences, situations that require
high precision and little room for error(only noise in data is
measurement error)
Designed to understand a biological or behavioral process, the
pathophysiology of a disease, or the mechanism of action of an
intervention.
ASK Questions ON
twitter.com/puneetarora2000
Digital Sociology | Political Science
Analysis of Digital Societies
Speed of Information = Information Communication Theory
Degree of Trust = Graph Theory {incidence and degree }
ASK Questions ON
twitter.com/puneetarora2000
Estimate , Analysis , Modelling
Simulate or Just Measure ?
Model History
Analysis Present
Simulate Future
ASK Questions ON
twitter.com/puneetarora2000
Estimate , Analysis , Modelling
Simulate or Just Measure ?
Monte Carlo
Simulators
ASK Questions ON
twitter.com/puneetarora2000
Don’t Forget
to Tell Data
Stories
Attention = Data Measured
ASK Questions ON
twitter.com/puneetarora2000
Thanks , Questions Please
You can Post Your Questions , Doubts Later On
https://twitter.com/puneetarora2000
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Primer on Data Characteristics for Machine Learning For Non-Technicals

  • 1. Primer On Data Characteristics & Measurements Puneet Arora Ecologic Corporation
  • 3. Topic Covered: What is Quality of Data ? What is the meaning of Characteristics of Data ? What is Metrics, Measurement ? What is Big Data ? What is Data Fusion ? What is Data Argumentation ? Types of AI Issues in AI & Machine Learning AI based Decision Making & Judgement
  • 5. Quality of Data Accuracy and Precision Legitimacy & Validity Reliability & Consistency Timeliness & Relevance Completeness & Comprehensiveness Availability & Accessibility OwnerShip Granularity & Uniqueness ASK Questions ON twitter.com/puneetarora2000
  • 7. Shape of Data Symmetric Data Asymmetric Data /Skewed Data ASK Questions ON twitter.com/puneetarora2000
  • 8. Long & Short Tail Long Short ASK Questions ON twitter.com/puneetarora2000
  • 11. Types of Categorical Data Ordinal e.g Rank , Score
  • 14. Data Social Economic Political Data ASK Questions ON twitter.com/puneetarora2000
  • 15. Measurements of Data = Stories = Message, Eliminate clutter ASK Questions ON twitter.com/puneetarora2000
  • 16. Data Measurement & Analysis Descriptive Exploratory Inferential Mechanistic Causal Predictive ASK Questions ON twitter.com/puneetarora2000
  • 17. Explorative Analysis = Find Insights = Interesting Variables Mean , Mode, Median, Standard Deviation + Factor Analysis + Variate Analysis EDA explores data to find relationships between measures that tells us they exist, without the cause. They can be used to formulate hypotheses. Write Travel Journal
  • 18. Descriptive Analysis = Explanation Mean , Mode, Median, Standard Deviation,Skewness Explanation = Story What to measure ASK Questions ON twitter.com/puneetarora2000
  • 19. Inferential Analysis = Guesswork from Small Data Distribution Shape,Variability,Skewness, Average, Factors Tell about your Intelligent Guess (conclusion) and intuition (Prediction) from Data ASK Questions ON twitter.com/puneetarora2000
  • 20. Predictive Analysis = History Analysis Time series analysis, Regression Use History to Tell Future ASK Questions ON twitter.com/puneetarora2000
  • 21. Causal Analysis = Find root of the problem ,but don’t blame Correlation Analysis , Factor Analysis , Fish Bone Diagram Find Cause , Write about ‘Effect’ ASK Questions ON twitter.com/puneetarora2000
  • 22. Mechanistic Analysis = Find Changes Applied in physical or engineering sciences, situations that require high precision and little room for error(only noise in data is measurement error) Designed to understand a biological or behavioral process, the pathophysiology of a disease, or the mechanism of action of an intervention. ASK Questions ON twitter.com/puneetarora2000
  • 23. Digital Sociology | Political Science Analysis of Digital Societies Speed of Information = Information Communication Theory Degree of Trust = Graph Theory {incidence and degree } ASK Questions ON twitter.com/puneetarora2000
  • 24. Estimate , Analysis , Modelling Simulate or Just Measure ? Model History Analysis Present Simulate Future ASK Questions ON twitter.com/puneetarora2000
  • 25. Estimate , Analysis , Modelling Simulate or Just Measure ? Monte Carlo Simulators ASK Questions ON twitter.com/puneetarora2000
  • 26. Don’t Forget to Tell Data Stories Attention = Data Measured ASK Questions ON twitter.com/puneetarora2000
  • 27. Thanks , Questions Please You can Post Your Questions , Doubts Later On https://twitter.com/puneetarora2000