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25 RECIPES FOR GETTING STARTED WITH R
R is a powerful tool for statistics and graphics, but getting started with this language can be frustrating. this short, concise book provides beginners with a selection of how-to recipes to solve simple problems with r. each solution gives you just what you need to know to use r for basic statistics, graphics, and regression. you'll find recipes on reading data files, creating data frames, computing basic statistics, testing means and correlations, creating a scatter plot, performing simple linear regression, and many more. these solutions were selected from o'reilly's r cookbook , which contains more than 200 recipes for r that you'll find useful once you move beyond the basics. chapter 1. the recipes downloading and installing r getting help on a function viewing the supplied documentation searching the web for help reading tabular datafiles reading from csv files creating a vector computing basic statistics initializing a data frame from column data selecting data frame columns by position selecting data frame columns by name forming a confidence interval for a mean forming a confidence interval for a proportion comparing the means of two samples testing a correlation for significance creating a scatter plot creating a bar chart creating a box plot creating a histogram performing simple linear regression performing multiple linear regression getting regression statistics diagnosing a linear regression predicting new values accessing the functions in a package. about the author paul teetor is a quantitative developer with masters degrees in statistics and computer science. he specializes in analytics and software engineering for investment management, securities trading, and risk management. he works with hedge funds, market makers, and portfolio managers in the greater chicago area.

Author : Paul teetor
Publication : Oreilly
Isbn : 9789352133468
Store book number : 105
NRS 240.00
  
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PROGRAMMING PYTHON: POWERFUL OBJECT-ORIENTED PROGRAMMING (COVERS PYTHON 3.X), 4TH EDITION
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