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1 <tool id="cshl_fastx_quality_statistics" name="Compute quality statistics">
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2 <description></description>
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3 <requirements><requirement type="package">fastx_toolkit</requirement></requirements>
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4 <command>zcat -f $input | fastx_quality_stats -o $output -Q 33</command>
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5
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6 <inputs>
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7 <param format="fastqsanger" name="input" type="data" label="Library to analyse" />
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8 </inputs>
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9
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10 <tests>
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11 <test>
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12 <param name="input" value="fastq_stats1.fastq" ftype="fastqsanger"/>
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13 <output name="output" file="fastq_stats1.out" />
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14 </test>
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15 </tests>
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16
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17 <outputs>
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18 <data format="txt" name="output" metadata_source="input" />
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19 </outputs>
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20
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21 <help>
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22
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23 **What it does**
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24
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25 Creates quality statistics report for the given Solexa/FASTQ library.
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26
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27 .. class:: infomark
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28
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29 **TIP:** This statistics report can be used as input for **Quality Score** and **Nucleotides Distribution** tools.
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30
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31 -----
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32
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33 **The output file will contain the following fields:**
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34
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35 * column = column number (1 to 36 for a 36-cycles read Solexa file)
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36 * count = number of bases found in this column.
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37 * min = Lowest quality score value found in this column.
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38 * max = Highest quality score value found in this column.
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39 * sum = Sum of quality score values for this column.
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40 * mean = Mean quality score value for this column.
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41 * Q1 = 1st quartile quality score.
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42 * med = Median quality score.
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43 * Q3 = 3rd quartile quality score.
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44 * IQR = Inter-Quartile range (Q3-Q1).
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45 * lW = 'Left-Whisker' value (for boxplotting).
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46 * rW = 'Right-Whisker' value (for boxplotting).
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47 * A_Count = Count of 'A' nucleotides found in this column.
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48 * C_Count = Count of 'C' nucleotides found in this column.
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49 * G_Count = Count of 'G' nucleotides found in this column.
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50 * T_Count = Count of 'T' nucleotides found in this column.
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51 * N_Count = Count of 'N' nucleotides found in this column.
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52
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53
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54 For example::
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55
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56 1 6362991 -4 40 250734117 39.41 40 40 40 0 40 40 1396976 1329101 678730 2958184 0
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57 2 6362991 -5 40 250531036 39.37 40 40 40 0 40 40 1786786 1055766 1738025 1782414 0
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58 3 6362991 -5 40 248722469 39.09 40 40 40 0 40 40 2296384 984875 1443989 1637743 0
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59 4 6362991 -4 40 248214827 39.01 40 40 40 0 40 40 2536861 1167423 1248968 1409739 0
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60 36 6362991 -5 40 117158566 18.41 7 15 30 23 -5 40 4074444 1402980 63287 822035 245
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61
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62 ------
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63
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64 This tool is based on `FASTX-toolkit`__ by Assaf Gordon.
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65
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66 .. __: http://hannonlab.cshl.edu/fastx_toolkit/
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67
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68 </help>
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69 </tool>
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70 <!-- FASTQ-Statistics is part of the FASTX-toolkit, by A.Gordon (gordon@cshl.edu) -->
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