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1 Introduction 5There is a User Area on the website (http://www.VSNi.co.uk select ASReml andthen User Area) which contains contributed material that may be of assistance.It includes an ASReml tutorial in the form of sixteen sets of slides with audio(.mp3) discussion. The sessions last about 20 minutes each.1.6 Typographic conventionsA hands on approach is the best way to develop a working understanding of a newcomputing package. We therefore begin by presenting a guided tour of ASRemlusing a sample data set for demonstration (see Chapter 3). Throughout the guidenew concepts are demonstrated by example wherever possible.In this guide you will find framed sampleboxes to the right of the page as shown here.These contain ASReml command file (sample)code. Note that– the code under discussion is highlighted inbold type for easy identification,– the continuation symbol ( . ) is used toindicate that some of the original code isomitted.An example ASReml code boxbold type highlights sectionsof code currently underdiscussionremaining code is nothighlighted. indicates that some of theoriginal code is omitted fromthe displayData examples are displayed in larger boxes in the body of the text, see, forexample, page 42. Other conventions are as follows:• keyboard key names appear in smallcaps, for example, tab and esc,• example code within the body of the text is in this size and font and ishighlighted in bold type, see pages 33 and 49,• in the presentation of general ASReml syntax, for example[path] asreml basename[.as] [arguments]– typewriter font is used for text that must be typed verbatim, for example,asreml and .as after basename in the example,– italic font is used to name information to be supplied by the user, for example,basename stands for the name of a file with an .as filename extension,– square brackets indicate that the enclosed text and/or arguments are notalways required.• ASReml output is in this size and font, see page 35,• this font is used for all other code.