By Brian S. Everitt
Because the first version of this booklet was once released, S-PLUS has advanced markedly with new tools of study, new graphical techniques, and a handy graphical consumer interface (GUI). this day, S-PLUS is the statistical software program of selection for plenty of utilized researchers in disciplines starting from finance to medication. Combining the command line language and GUI of S-PLUS now makes this booklet much more compatible for green clients, scholars, and somebody with out the time, persistence, or history had to go through the various extra complicated manuals and texts at the market.The moment variation of A guide of Statistical Analyses utilizing S-Plus has been thoroughly revised to supply a superb creation to the most recent model of this robust software program method. every one bankruptcy makes a speciality of a selected statistical strategy, applies it to 1 or extra information units, and exhibits tips on how to generate the proposed analyses and pix utilizing S-PLUS. the writer explains S-PLUS capabilities from either the home windows® and command-line views and obviously demonstrates easy methods to swap among the 2. This instruction manual offers the fitting automobile for introducing the intriguing chances S-PLUS, S-PLUS 2000, and S-PLUS 6 carry for facts research.
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The return type of the ActionForward object tells the controller where it should forward. Usually, this is another JSP, but it can also be to another Action. The ﬁrst parameter we see is the ActionMapping object. xml ﬁle. Remember that this conﬁg ﬁle is used by the controller to determine all the attributes of an action. The ActionMapping is provided so that if the Action itself needs to access any of the information concerning its conﬁguration, it can. This is also a mechanism for providing any initialization parameters that an action might want.
GetPassword(); } Using an XML ﬁle to read as a Hashtable into a local variable database (the details of this code are presented in the code sample download), we get the User object from the database and compare the password in the database to the password entered by the user on the logon form. 3 Execution Steps in Execute 37 If the password doesn’t match, we add an ActionError to our errors collection. mismatch")); } Then we check to see if our errors collection contains any errors. If so, we call the saveErrors method of the Action.
Please note that although we are using pieces of this development program throughout the book, we will not be following it step by step in each chapter so that the material follows a more natural ﬂow to enhance eﬀorts to learn it. ” Though there are any number of responses that could satisfactorily answer this question, somewhere in the answer should be that the technology in question solves a problem for you. What the answer should not include is that the technology is just the next whiz-bang tech-toy getting lots of airtime, although I’m sure we’re all guilty of considering that a satisfactory reason for using a new technology at some point in our careers.
A Handbook of Statistical Analyses using S-Plus, Second Edition by Brian S. Everitt