Databases
StackOverflow2013
Postsdbo
PODamerau - Levenshtein Distance, adding a threshold
 

Note that there are some explanatory texts on larger screens.

plurals
  1. PODamerau - Levenshtein Distance, adding a threshold
    primarykey
    data
    text
    <p>I have the following implementation, but I want to add a threshold, so if the result is going to be greater than it, just stop calculating and return.</p> <p>How would I go about that?</p> <p>EDIT: Here is my current code, <code>threshold</code> is not yet used...the goal is that it is used</p> <pre><code> public static int DamerauLevenshteinDistance(string string1, string string2, int threshold) { // Return trivial case - where they are equal if (string1.Equals(string2)) return 0; // Return trivial case - where one is empty if (String.IsNullOrEmpty(string1) || String.IsNullOrEmpty(string2)) return (string1 ?? "").Length + (string2 ?? "").Length; // Ensure string2 (inner cycle) is longer if (string1.Length &gt; string2.Length) { var tmp = string1; string1 = string2; string2 = tmp; } // Return trivial case - where string1 is contained within string2 if (string2.Contains(string1)) return string2.Length - string1.Length; var length1 = string1.Length; var length2 = string2.Length; var d = new int[length1 + 1, length2 + 1]; for (var i = 0; i &lt;= d.GetUpperBound(0); i++) d[i, 0] = i; for (var i = 0; i &lt;= d.GetUpperBound(1); i++) d[0, i] = i; for (var i = 1; i &lt;= d.GetUpperBound(0); i++) { for (var j = 1; j &lt;= d.GetUpperBound(1); j++) { var cost = string1[i - 1] == string2[j - 1] ? 0 : 1; var del = d[i - 1, j] + 1; var ins = d[i, j - 1] + 1; var sub = d[i - 1, j - 1] + cost; d[i, j] = Math.Min(del, Math.Min(ins, sub)); if (i &gt; 1 &amp;&amp; j &gt; 1 &amp;&amp; string1[i - 1] == string2[j - 2] &amp;&amp; string1[i - 2] == string2[j - 1]) d[i, j] = Math.Min(d[i, j], d[i - 2, j - 2] + cost); } } return d[d.GetUpperBound(0), d.GetUpperBound(1)]; } } </code></pre>
    singulars
    1. PO
      singulars
      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USCaffGeek
    1. USCaffGeek
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
      singulars
      1. PTAnswer
    2. PO
      singulars
      1. PTAnswer
    3. PO
      singulars
      1. PTAnswer
    1. VO
      singulars
      1. PODamerau - Levenshtein Distance, adding a threshold
      1. USMikael Svenson
      1. VTFavorite
    2. VO
      singulars
      1. PODamerau - Levenshtein Distance, adding a threshold
      1. USCaffGeek
      1. VTFavorite
    3. VO
      singulars
      1. PODamerau - Levenshtein Distance, adding a threshold
      1. This table or related slice is empty.
      1. VTUpMod
    1. This table or related slice is empty.
 

Querying!

 
Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

SQuiL has stopped working due to an internal error.

If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

Reload