DU | R Documentation |

Computes DU (distribution uniformity of low quarter) for sprinkler systems using catch can data.

DU(x)

`x` |
numeric array of catch can data. Array may include missing (NA) data. NA values will be removed in function. |

mean of lowest quarter of observations divided by overall mean X 100

Distribution Uniformity (of low quarter) in percentage

Garry Grabow glgrabow@ncsu.edu

Keller, J., and R. D. Bliesner. 2000. Sprinkler and Trickle Irrigation. Caldwell, N.J.: Blackburn Press. ISBN 1-930665-19-9.

`CU`

,`DU.lh`

# data below are volumes caught in ml. Catch cans must be of # equal surface area at top when using volume data x<-c(47,42,45,24,13,26,33,34,27,30,40,44,32,12,12) xdu<-DU(x) #round results durnd<-round(xdu,2) xdu durnd

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