f.spei: Standard Precipitation Evaporation Index calculation
In pedroalencar1/fdClassify2: Library of Flash Drought classificaition methods
Description
Usage
Arguments
Value
Description
Internal funciton to calculate the SPEI
Usage
1
f.spei(vtime, vdeficit, n)
Arguments
vtime
a data.frame column or vector with daily time stamps (Date type)
vdeficit
a data.frame column or vector with daily hydrological deficit
obtained by the difference of precipitation and potential evapotranspitation (P - ET0)
n
a natural number that indicates the accumulation time (pentad, week, month, etc)
Value
The function return a list with two elements. One data frame with time stamped pentad values and a matrix with years organized in columns.
pedroalencar1/fdClassify2 documentation built on Dec. 22, 2021, 7:38 a.m.
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Description Usage Arguments Value
Description
Internal funciton to calculate the SPEI
Usage
1 | f.spei(vtime, vdeficit, n)
|
Arguments
vtime |
a data.frame column or vector with daily time stamps (Date type) |
vdeficit |
a data.frame column or vector with daily hydrological deficit obtained by the difference of precipitation and potential evapotranspitation (P - ET0) |
n |
a natural number that indicates the accumulation time (pentad, week, month, etc) |
Value
The function return a list with two elements. One data frame with time stamped pentad values and a matrix with years organized in columns.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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