Data

Machine Learning

Machine Learning: Charity Donor Analysis

Machine Learning:  Charity Donor Analysis Introduction A charitable organization wishes to develop a machine learning model to improve the cost effectiveness of their direct marketing campaigns to previous donors. The recent mailing records reflect an overall 10% response rate with an average donation of $14.50. The cost to produce and send each mail is $2.
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Factor Analysis Path Diagram

Factor Analysis to Identify Sectors

Factor Analysis Introduction Utilizing a stock portfolio data set and a factor analysis to identify sectors in the stock market, we will transform the variables into log values to explain the variation in the log-returns of the stocks and market index.  We will begin the factor analysis by performing a Principal Factor Analysis without a
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Python Data Types

Python Data Types

Python Data Types:  Putting Airline Data In Order The data used in the python data types example is from OpenFlights.org and contains three data files, one for airports, one for routes and one for airlines. The data are for up to January 2012. The data in the file airports.dat looks like this: 1,”Goroka”,”Goroka”,”Papua New Guinea”,”GKA”,”AYGA”,-6.081689,145.391881,5282,10,”U”,”Pacific/Port_Moresby” 2,”Madang”,”Madang”,”Papua New Guinea”,”MAG”,”AYMD”,-5.207083,145.7887,20,10,”U”,”Pacific/Port_Moresby” 3,”Mount
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