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Data Models to Databases

Posted by on Jul 10, 2014 in Intro to Data Science | 0 comments

Data Models to Databases A data model has three components: 1. Structure rows & columns nodes & edges key-value pairs a sequence of bytes 2. Constraints all rows must have the same # of columns all values in one column must have the same type a child can’t have two parents 3. Operations find the value of key x find the rows where column “lastname” is “Jordan” get the next N bytes Database – a...

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Twitter Sentiment Analysis in Python

Posted by on Jul 10, 2014 in Intro to Data Science | 0 comments

Twitter Sentiment Analysis in Python   In this assignment, you will access the twitter Application Programming Interface(API) using python estimate the public’s perception (the sentiment) of a particular term or phrase analyze the relationship between location and mood based on a sample of twitter data Python Resources Google’s Python Class Codeacademy Python tutorials   Unicode strings Strings in the twitter data...

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Distinguishing Data Science

Posted by on Jul 10, 2014 in Intro to Data Science | 0 comments

Distinguishing Data Science Business Intelligence – usually they design systems but dont have to analyze their own data Data(base) Management – focus on relational data model – rows & columns Visualization Experts – aren’t concerned with massive scale Machine Learning – closest to data scientists What “data science” tells me: If your a DBA, you need to learn to deal with unstructured data If...

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You Can Read Anyone Review

Posted by on Jul 7, 2014 in Books | 0 comments

You Can Read Anyone Never Be Fooled, Lied to, or Taken Advantage of Again David J. Lieberman, PH.D “Honesty may be the best policy, but it’s important to remember that apparently, by elimination, dishonesty is the second-best policy.” – George Carlin Chapter 1:  Is This Person Hiding Anything? There are 3 options when you suspect another person: confront the person ignore the situation try to gather more...

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Core Concepts in Data Analysis

Posted by on Jun 28, 2014 in Intro to Data Science | 0 comments

Classes Course at a Glance 8 weeks of study 10-12 hours of work / week Week 1 ( What is core data analysis) Four Parts 1.1 Data Mining and Data Patterns and their use Generically, data mining is looking for patterns in data in databases as part of knowledge discovery The history of laws for planetary motion Kepler - 1st law : planets revolve sun in ellipses (ovals) -2nd law: planets move faster when nearer to the sun -3rd law: is there...

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