-
William Patrick Trost commented on the post, Before Class Question: June 19, on the site Course Blog on Data Analytics 12 years, 6 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, 6 months 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 […]
-
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, 7 months ago
This selects all customers from NJ
-
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, 7 months ago
SELECT * FROM .customer WHERE = ‘NJ’
-
William Patrick Trost commented on the post, Before Class Question: May 29, 2012, on the site Course Blog on Data Analytics 12 years, 7 months ago
ERD is made up of Entities, relationships, and attributes. It is easier to make corrections on ERD rather than the schema.
-
William Patrick Trost commented on the post, Class 3 before class question, on the site Course Blog on Data Analytics 12 years, 7 months ago
Sex, age, location, single married or dating, work type, education level and location, interest.
-
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, 7 months 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, […]