Changes between Version 9 and Version 10 of rp_xml_ele_histogram


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Timestamp:
Sep 14, 2011, 1:58:09 PM (6 years ago)
Author:
gah
Comment:

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  • rp_xml_ele_histogram

    v9 v10  
    33An '''{{{histogram}}}''' object represents a set of tabulated frequencies. It shows what proportion of cases fall into
    44specific bins or categories. 
     5
     6[[rpimage(zoo_histogram.png)]]
    57
    68== Example ==
     
    4244
    4345Each '''{{{<component>}}}''' element describes the values of the histogram.
    44 There following subelements that can be used to describe the data.
     46There following sub-elements that can be used to describe the data.
    4547
    46  '''{{{<xy>}}}''':: The data is in x/y pairs of values.  This is similar to how the '''{{{curve}}}''' object represents its data values.  The x-values are displayed as numbers. 
     48 '''{{{<xy>}}}''':: The data is in name/value pairs.  The name is a string that will label the bar.  The value is the frequency. The order of the bars is the order of the pairs.
    4749{{{
    48    <histogram id="xy">
     50   <histogram id="namevalues">
    4951    ...
    5052    <component>
    5153      <xy>
    52        1 0.99
    53        2 0.34
    54        4 0.57
    55        6 0.22
    56        7 0.11
     54        First 0.99
     55        Second 0.34
     56        Third 0.57
     57        Fourth 0.22
     58        "Another value" 0.11
    5759      </xy>
    5860     </component>
    5961   </histogram>
    60 }}}
    61  The x-value is the location of the bar.  It should be an integer.  The y-value is the frequency.
     62}}}
    6263
    63  '''{{{<xhw>}}}''':: The data is in x/y pairs of values one per line, but may also include a third value that is the width of the bar.  The should be used when you want non-uniform bars. The x-values are displayed as numbers.
     64 '''{{{<xhw>}}}''':: This is exactly like the '''{{{<xy>}}}''' element except that it includes a third value per line that is the width of the bar.  The should be used when you want non-uniform bars.
    6465{{{
    6566   <histogram id="xhw">
     
    7677   </histogram>
    7778}}}
    78  The x-value is the location of the bar.  It should be an integer.  The y-value is the frequency. The last value is the width of the bar in graph coordinates.
     79The x-value is a string that will label the bar.  The y-value is a number representing the frequency. The last value is the width of the bar in graph coordinates.
    7980
    80  '''{{{<xvector>}}}''' and '''{{{<yvector>}}}''':: These two elements can be used if you want to represent the data as separate vectors.  The x-vector values are the locations of the bars.  They should be integers. The y-vector values are the frequencies.  The widths of the bars are uniform.
     81 '''{{{<xvector>}}}''' and '''{{{<yvector>}}}''':: These two elements can be used if you want to represent the data as separate vectors.  The x-vector values are the strings representing the labels of the bars.  The y-vector values are numbers representing the frequencies.  The widths of the bars are uniform.
    8182 {{{
    8283   <histogram id="vectors">
     
    8687      <yvector>0.99 0.34 0.57 0.22 0.11<yvector>
    8788    </component>
    88    </histogram>
    89 }}}
    90 
    91  '''{{{<namevalue>}}}''':: The data is in name/value pairs.  The name is a string that will label the bar.  The value is the frequency. The order of the bars is the order of the pairs.
    92 {{{
    93    <histogram id="namevalues">
    94     ...
    95     <component>
    96       <namevalue>
    97         First 0.99
    98         Second 0.34
    99         Third 0.57
    100         Fourth 0.22
    101         "Another value" 0.11
    102       </namevalue>
    103      </component>
    10489   </histogram>
    10590}}}