# Calculate the group 5 IHA parameters.

### Description

The group 5 IHA parameters measure the rate and frequency of water condition changes.

### Usage

1 |

### Arguments

`x` |
A zoo object containing the flow series |

`year` |
the type of year factor to be used, |

### Value

a matrix of group 5 parameters

### Author(s)

jason.e.law@gmail.com

### References

http://www.conservationgateway.org/Files/Pages/indicators-hydrologic-altaspx47.aspx

### Examples

1 2 |