# Reference/ratios

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Revision as of 10:33, 18 January 2010 by Chris Burke (Talk | contribs)

## Contents |

## ratios (ratios function)

The uniform function `ratios` returns the ratio of consecutive pairs. It applies to all numeric data types.

## Syntax

q)r:ratios A

The result can be interpreted as follows:

r[i]=A[i] for i=0 r[i]=A[i]%A[i-1] otherwise

## Example

q)ratios 1 2 4 6 7 10 1 2 2 1.5 1.166667 1.428571

It can be used in a query to get returns on prices:

q)update ret:ratios price by sym from trade q)select log ratios price from trade

## See also

For a complete list of functions, see the kdb+ Function Reference.