Behavioral Research Data Analysis with R docx

... the variable names on the first row, and the variables are separated by spaces. Y. Li and J. Baron, Behavioral Research Data Analysis with R, UseR, DOI 10.1007/978-1-4614-1238-0 1, © Springer Science+Business ... ordinary vector in an analysis of variance or regression. A factor is what is often called a categorical variable. Even if numbers are used to represent categories, they...

Ngày tải lên: 28/03/2014, 09:20

... Closer Look at Perturbation Theory and Error Propagation 155 Workshop: The Gnu Scientific Library (GSL) 158 Further Reading 161 8 MODELS FROM SCALING ARGUMENTS 163 Models 163 Arguments from Scale ... incorporates your understanding of the process or the system that produced the data. A model therefore has predictive power: you can predict (with some certainty) that next Thursday the defect...

Ngày tải lên: 31/03/2014, 12:20

... our work throughout this book. Interpreting a linear regression model Sound interpretaon is essenal to understanding the praccal ramicaons of our data analyses. Recall that our linear regression ... ] Time for acon – quanfying categorical variables 73 as.numeric (data) 75 Overwring variables 75 Time for acon – correlang variables 77 Interpreng correlaons 78 cor(x, y) 79 cor (da...

Ngày tải lên: 21/02/2014, 10:20

... construct a data frame from vectors, where each vector is one observed variable. Suppose you have two numeric predictor variables, one cate- gorical predictor variable, and one response variable. ... into their search box, prefix it with “ [r] ” to focus the search on questions tagged for R. For example, searching for “ [r] standard error” will select only the ques- tions tagged for R...

Ngày tải lên: 23/03/2014, 00:20

... interested reader (or programmer) can consult the M-files for more information. Thus, readers who prefer to use some other programming language should be able to implement the algorithms on their ... October 27, 2004 9:10 PM © 2005 by CRC Press LLC Exploratory Data Analysis with MATLAB ® Computer Science and Data Analysis Series © 2005 by CRC Press LLC Introduction to Exploratory D...

Ngày tải lên: 08/04/2014, 10:10

... conform to whatever guidelines you set for your data mart design as part of the overall enterprise data warehousing strategy for your enterprise. The other main difference of the data mart from ... central repository of all enterprise data, the enterprise data warehouse. Enterprise Data Warehouse Sales Mkting Engr Financ Acctg HR Data Marts From the above, we can say...

Ngày tải lên: 13/02/2014, 08:20

... of Correlated Groups Designs: Reducing Error Variance 395 The t Test for Correlated Groups 396 Calculating Effect Size for Correlated Research Designs 399 A Brief Overview ... refined the material. The Reference Librarians and the Interlibrary Loan Department of Reeves Library helped me to track down sometimes obscure materials or references. Ever patient, Jackie...

Ngày tải lên: 29/03/2014, 04:21

... formatters available. Table 2-19. .NET predefined formatters Formatter Description ActiveXMessageFormatter Serializes or deserializes primitive data types and other objects using a format compatible ... MSMQ provides for message transport, queuing, transactional message support, error handling and auditing, and makes available a variety of Application Programming Interfaces to intera...

Ngày tải lên: 14/12/2013, 18:16