# Sets up the period of analysis (the portion of the year being evaluated).

Source:`R/setPA.R`

`setPA.Rd`

Period of analysis is defined by the starting month (paStart) and length in months (paLong). paStart and paLong are constrained to be integers from 1 to 12. For example, a water year would be paStart = 10 and paLong = 12. For example, the winter season, defined by Dec,Jan,Feb would be paStart = 12 and paLong = 3.

## Arguments

- eList
named list with at least the INFO dataframe

- paStart
A numeric value for the starting month of the Period of Analysis, default is 10

- paLong
A numeric value for the length of the Period of Analysis in months, default is 12

- window
A numeric value for the half-width of a smoothing window for annual streamflow values, default is 20