Fix missing @clicksequence problem with older Texinfo versions.

[pspp-builds.git] / doc / tutorial.texi

diff --git a/doc/tutorial.texi b/doc/tutorial.texi
index 5bc80f56b56360d97f244a6db520b3d9bda2f188..540da62abd90d409219a73ac2004bdba46d11ea6 100644 (file)
--- a/doc/tutorial.texi
+++ b/doc/tutorial.texi
@@ -33,7 +33,7 @@ should type.
 
 Throughout this chapter reference is made to a number of sample data files.
 So that you can try the examples for yourself,
-you should have received these files along with your copy of PSPP.
+you should have received these files along with your copy of PSPP.@c
 @footnote{These files contain purely fictitious data.  They should not be used
 for research purposes.}
 @note{Normally these files are installed in the directory
@@ -71,9 +71,9 @@ There are two aspects of data:
 For example, a data set which has the variables @var{height}, @var{weight}, and
 @var{name}, might have the observations:
 @example
-188 89 Ahmed
-119 107 Frank
-123 67 Julie
+1881 89.2 Ahmed
+1192 107.01 Frank
+1230 67 Julie
 @end example
 @noindent
 The following sections explain how to define a dataset.
@@ -105,7 +105,7 @@ and reads data into them by manual input.
 @float Example, data-list
 @cartouche
 @example
-@prompt{PSPP>} data list list /forename (A12) height *.
+@prompt{PSPP>} data list list /forename (A12) height.
 @prompt{PSPP>} begin data.
 @prompt{data>} Ahmed 188
 @prompt{data>} Bertram 167
@@ -128,6 +128,11 @@ There are several things to note about this example.
 The words @samp{data list list} are an example of the @cmd{DATA LIST}
 command. @xref{DATA LIST}.
 It tells PSPP to prepare for reading data.
+The word @samp{list} intentionally appears twice.
+The first occurrence is part of the @cmd{DATA LIST} call,
+whilst the second
+tells PSPP that the data is to be read as free format data with
+one record per line.
 
 @item
 The @samp{/} character is important. It marks the start of the list of
@@ -137,13 +142,8 @@ variables which you wish to define.
 The text @samp{forename} is the name of the first variable,
 and @samp{(A12)} says that the variable @var{forename} is a string
 variable and that its maximum length is 12 bytes.
-The second variable's name is specified by the text @samp{height}
-and the @samp{*}
-means that this variable has the default format.
-Instead of typing @samp{*} you could also have typed @samp{(F8.2)},
-however since @samp{F8.2} is the default format (unless you changed it
-with the @cmd{SET} command (@pxref{SET})), it's quicker to simply type
-@samp{*}.
+The second variable's name is specified by the text @samp{height}.
+Since no format is given, this variable has the default format.
 For more information on data formats, @pxref{Input and Output Formats}.
 
 
@@ -215,7 +215,7 @@ Zachariah      113.02
 You can can tell the @cmd{DATA LIST} command to read the data directly from
 this file instead of by manual entry, with a command like:
 @example
-@prompt{PSPP>} data list file='mydata.dat' list /forename (A12) height *.
+@prompt{PSPP>} data list file='mydata.dat' list /forename (A12) height.
 @end example
 @noindent
 Notice however, that it is still necessary to specify the names of the
@@ -639,15 +639,16 @@ is hypothesis testing.
 Researchers commonly need to test hypotheses about a set of data.
 For example, she might want to test whether one set of data comes from
 the same distribution as another,
-or does the mean of a dataset significantly differ from a particular
+or
+whether the mean of a dataset significantly differs from a particular
 value.
 This section presents just some of the possible tests that PSPP offers.
 
 The researcher starts by making a @dfn{null hypothesis}.
 Often this is a hypothesis which he suspects to be false.
 For example, if he suspects that @var{A} is greater than @var{B} he will 
-state the null hypothesis as @math{ @var{A} = @var{B}}.
-@footnote{This example assumes that is it already proven that @var{B} is
+state the null hypothesis as @math{ @var{A} = @var{B}}.@c
+@footnote{This example assumes that it is already proven that @var{B} is
 not greater than @var{A}.}
 
 The @dfn{p-value} is a recurring concept in hypothesis testing.