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PORanking CSV numbers in both ascending and descending orders in python
 

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    <p>I'm surprised that I can't find anything about ranking numbers in python...</p> <p>Basically, I'm in need of two scripts to do the same task just one in an ascending order and one in a descending order.</p> <p><strong><code>row[2]</code> is the numbers to be ranked, <code>row[4]</code> is the cell to put the rank into.</strong></p> <p><strong><code>row[0] + row[1]</code> is what defines each dataset/group</strong></p> <p>In this first example the larger numbers have the higher rank.</p> <h3>CSV Example 1 (Ranks Down)</h3> <pre><code>uniquedata1,uniquecell1,42,data,1,data uniquedata1,uniquecell1,32,data,2,data uniquedata1,uniquecell1,13,data,3,data uniquedata2,uniquecell2,41,data,2,data uniquedata2,uniquecell2,39,data,3,data uniquedata2,uniquecell2,45,data,1,data uniquedata2,uniquecell2,22,data,4,data uniquedata1,uniquecell2,36,data,3,data uniquedata1,uniquecell2,66,data,1,data uniquedata1,uniquecell2,40,data,2,data </code></pre> <p>In this second example the larger numbers have the lower rank.</p> <h3>CSV Example 2 (Ranks Up)</h3> <pre><code>uniquedata1,uniquecell1,42,data,3,data uniquedata1,uniquecell1,32,data,2,data uniquedata1,uniquecell1,13,data,1,data uniquedata2,uniquecell2,41,data,3,data uniquedata2,uniquecell2,39,data,2,data uniquedata2,uniquecell2,45,data,4,data uniquedata2,uniquecell2,22,data,1,data uniquedata1,uniquecell2,36,data,1,data uniquedata1,uniquecell2,66,data,3,data uniquedata1,uniquecell2,40,data,2,data </code></pre> <p>In this third example, which is ranking up it includes empty cells which should be given the highest ranks (if there are two blanks they should be given the same rank)</p> <h3>CSV Example 3 (Includes empty cells)</h3> <pre><code>uniquedata1,uniquecell1,42,data,2,data uniquedata1,uniquecell1,,data,3,data uniquedata1,uniquecell1,13,data,1,data uniquedata2,uniquecell2,41,data,3,data uniquedata2,uniquecell2,,data,3,data uniquedata2,uniquecell2,,data,3,data uniquedata2,uniquecell2,22,data,1,data uniquedata1,uniquecell2,36,data,1,data uniquedata1,uniquecell2,66,data,3,data uniquedata1,uniquecell2,40,data,2,data </code></pre> <p>Anyone know how to I can achieve my intended result?</p>
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    1. COpossible duplicate of [sort csv by column](http://stackoverflow.com/questions/2100353/sort-csv-by-column)
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    2. COYou need to dream up alternative words that mean similar things and search for them too - e.g. `sort` rather than rank.
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    3. CO@MrE the problem is I'm unsure how to do the grouping part and I also don't know how to make the exceptions for the spaces.
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