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58 lines
1.9 KiB
XML
58 lines
1.9 KiB
XML
<tool id="histogram_rpy" name="Histogram">
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<description>of a numeric columns</description>
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<command interpreter="python">histogram.py $input $out_file1 $col1 "$title" "$xlab" $breaks $density $header</command>
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<inputs>
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<param format="tabular" name="input" type="data" label="Dataset" help="Query missing? See TIP below"/>
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<param name="col1" size="4" type="integer" value="5" label="Column for x axis"/>
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<param name="breaks" size="4" type="integer" value="0" label="Number of breaks (bars)"/>
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<param name="title" size="30" type="text" value="Histogram" label="Plot title"/>
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<param name="xlab" size="30" type="text" value="V1" label="Label for x axis"/>
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<param name="density" type="boolean" checked="yes" label="Include smoothed density"/>
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<param name="header" type="boolean" checked="no" label="Header line?"/>
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</inputs>
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<outputs>
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<data format="pdf" name="out_file1" />
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</outputs>
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<help>
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.. class:: infomark
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**TIP:** If your data is not TAB delimited, use *Edit Queries->Convert characters*
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-----
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**Syntax**
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This tool computes a histogram of a selected dataset.
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- **Column for x axis** column is referenced with a number, it start with 1.
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- **Number of breaks(bars)** breakpoints between histogram cells. Value of '0' will determine breaks automatically.
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- **Plot title** The histogram title.
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- **Label for x axis** The label for x axis of the histogram.
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- **Include smoothed density** If checked, the output graph will join the given corresponding points with line segments.
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- **Header line?** Check this box if your dataset contains a header line, so that this tool skips that line.
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-----
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**Example**
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- Input file::
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1 68 4.1
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2 71 4.6
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3 62 3.8
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4 75 4.4
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5 58 3.2
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6 60 3.1
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7 67 3.8
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8 68 4.1
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9 71 4.3
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10 69 3.7
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- Create a histogram on column 2 of the above dataset.
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.. image:: ../static/images/histogram2.png
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</help>
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</tool>
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