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William Patrick Trost commented on the post, Before Class Question: June 19, on the site Course Blog on Data Analytics 11 years, 12 months ago
1. Classification is a manual way for finding where someone belongs, and Clusting is using the data to find where someone belongs.
2. Decision Tree: Chi-Squared Test & Gini index; Clusting: Sum-of-Squares Error (SSE) -
William Patrick Trost commented on the post, Before class question: June 18, on the site Course Blog on Data Analytics 12 years ago
1. Decision trees are used in business such as expansion of a business, selection of location, and types of products you want to produce. It is a process that breaks down multiple decisions and place road blocks […]
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William Patrick Trost commented on the post, Happy Birthday SNL // the typists from the Carol Burnett show, on the site Course Blog on Data Analytics 12 years ago
This selects all customers from NJ
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William Patrick Trost commented on the post, Happy Birthday SNL // the typists from the Carol Burnett show, on the site Course Blog on Data Analytics 12 years ago
SELECT * FROM .customer WHERE = ‘NJ’
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William Patrick Trost commented on the post, Before Class Question: May 29, 2012, on the site Course Blog on Data Analytics 12 years ago
ERD is made up of Entities, relationships, and attributes. It is easier to make corrections on ERD rather than the schema.
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William Patrick Trost commented on the post, Class 3 before class question, on the site Course Blog on Data Analytics 12 years ago
Sex, age, location, single married or dating, work type, education level and location, interest.
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William Patrick Trost commented on the post, ICE 5.1 Telling a Story through Visualization, on the site Course Blog on Data Analytics 12 years, 1 month ago
Q1. Information is important because if you can’t understand the data in front of you, then it’s useless and a waste of time and money. Information gives that data meaning and information creates less confusion, […]