Download Developing Statistical Software in Fortran 95 (Statistics by David R. Lemmon PDF

By David R. Lemmon

Many books train computational statistics. previously, besides the fact that, none has proven the right way to write a great software. This ebook provides statisticians, biostatisticians and methodologically-oriented researchers the instruments they should enhance fine quality statistical software.

Topics comprise how to:

Program in Fortran ninety five utilizing a pseudo object-oriented sort

Write exact and effective computational tactics

Create console purposes

Build dynamic-link libraries (DLLs) and Windows-based software program elements

Develop graphical consumer interfaces (GUIs)

Through special examples, readers are proven the best way to name Fortran methods from applications together with Excel, SAS, SPSS, S-PLUS, R, and MATLAB. they're even given an academic on growing GUIs for Fortran computational code utilizing visible Basic.NET.

This booklet is if you happen to are looking to easy methods to create statistical functions quick and successfully. past adventure with a programming language equivalent to uncomplicated, Fortran or C is useful yet now not required. more matured programmers will examine new innovations to harness the facility of contemporary Fortran and the object-oriented paradigm. this can function a supplementary textual content for a graduate direction on statistical computing.

From the reviews:

"This publication will be learn via all statisticians, engineers, and scientists who are looking to enforce an set of rules as a working laptop or computer application. The ebook is the simplest advent to programming that i've got ever learn. I price it as one in all my vital reference books in my own library." Melvin J. Hinich for Techonmetrics, November 2006

"Overall, the ebook is definitely written and offers an affordable creation to using glossy types of Fortran for statistical computation. the genuine thrust of the publication is development COM interfaces utilizing Fortran, and it'll without doubt be Most worthy to a person who must construct such interfaces." Journal of the yankee Statistical organization, June 2006

"The ebook is definitely written and is split into chapters and sections that are coherent...Overall the e-book feels like a superb source for somebody that already is familiar with a few dialect of FORTRAN and needs to benefit a piece approximately what's new in FORTRAN 95..." Robert Gentleman for the magazine of Statistical software program, December 2006

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Additional resources for Developing Statistical Software in Fortran 95 (Statistics and Computing)

Example text

Write a function that accepts a character string of arbitrary length as input and centers the text within the string. For example, if the input string is "aa ", the result should be " aa ". 2. Write a program that reads a single line of text (up to, say, 128 characters long) and prints out the line with the words given in reverse order. For this purpose, words may be defined as strings of text delimited by any amount of blank space. For example, if the user types hello, my name is Bob then the response should be Bob is name my hello, 3.

2 Assumed-Shape and Optional Arguments In the previous example, notice that vec_length, the size of vec, is being passed as an argument. In old-fashioned Fortran programs, the dimensions of all array arguments had to be arguments themselves. In modern Fortran, this is no longer the case; we can remove vec_length from the argument list and make it a local variable, like this: subroutine fill_with_uniforms(vec, lower, upper) ! Fills the rank-one array vec with random numbers ! uniformly distributed from lower to upper implicit none !

2 Arrays 29 • x(2:4) refers to x(2), x(3), and x(4), • x(:2) refers to x(1) and x(2), and • x(1:), x(:n), x(:), and x are equivalent. Assignment statements that operate on arrays or array sections are convenient for keeping source code concise, but on some systems they may also yield benefits in terms of efficiency because they allow the compiler to choose an order for the elementwise operations to optimize execution. The new Fortran 95 statements where and forall also signal to the compiler that a group of elementwise operations may be performed in any order for optimal performance.

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