DU.lh | R Documentation |

Computes uniformity of lower half of a solid set sprinkler system vs. lower quarter as does DU. Note that this computation uses the same method as low quarter, except it uses the observations of the low half rather than low quarter. It does not use an empirical equation that converts DU (low quarter) to DUlh (lower half) as some have proposed.

DU.lh(x)

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

mean of lower half of ranked data divided by overall mean x 100.

DU of lower half value in percentage.

Garry Grabow glgrabow@ncsu.edu

`CU`

,`DU`

# 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) xdulh<-DU.lh(x) #round results dulhrnd<-round(xdulh,2) xdulh dulhrnd

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