Jaro Similarity Calculator
Calculate Jaro similarity between two strings from matching characters within a sliding window and their transposition count.
Description
Calculate Jaro similarity between two strings from matching characters within a sliding window and their transposition count.
Jaro Similarity Calculator is a focused tool for the following task. Calculate Jaro similarity between two strings from matching characters within a sliding window and their transposition count. It reports Similarity, Matching characters, Transpositions from the values you provide rather than inventing measurements, coefficients, or professional judgment that are not part of the input.
When to use Jaro Similarity
Use this calculation to reproduce a defined quantitative method when the observations, units, sampling process, and assumptions match the method shown here.
- First text
- Required string.
- Second text
- Required string.
The cited overview of Jaccard index supplies background for the terminology and domain context used by this tool.1
How Jaro Similarity works
Calculate Jaro similarity between two strings from matching characters within a sliding window and their transposition count. Inputs are interpreted exactly in the displayed units and the calculation returns the following fields without presentation rounding.
- Similarity
- Returned number.
- Matching characters
- Returned integer. Number of characters matched within the window.
- Transpositions
- Returned number. Half the number of matched characters in differing order.
Limitations and assumptions
- A numerical result does not by itself establish data quality, causation, representativeness, independence, distributional fit, or practical significance.
- Use finite inputs in the displayed units, preserve source measurements and assumptions, and independently verify consequential decisions.
Alternative or Complementary approaches
Inspect the underlying data, visualize its distribution, report uncertainty and sample size, and compare the result with a robust or domain-specific method where appropriate.
References
-
Jaccard index — Wikipedia contributors
Similar or alternative tools
- Sørensen–Dice Similarity Calculator
Calculate Sørensen–Dice similarity between two sets of strings.
- Jaro–Winkler Similarity Calculator
Calculate Jaro-Winkler similarity by boosting Jaro similarity with a common-prefix bonus of scale 0.1 per character up to four characters, applied when Jaro similarity exceeds 0.7.
- Jaccard Similarity Calculator
Compare two sets using the size of their intersection and union.