PBE | R Documentation |
It estimates the PBE for a continuous predicted-observed dataset following Gupta et al. (1999).
PBE(data = NULL, obs, pred, tidy = FALSE, na.rm = TRUE)
data |
(Optional) argument to call an existing data frame containing the data. |
obs |
Vector with observed values (numeric). |
pred |
Vector with predicted values (numeric). |
tidy |
Logical operator (TRUE/FALSE) to decide the type of return. TRUE returns a data.frame, FALSE returns a list; Default : FALSE. |
na.rm |
Logic argument to remove rows with missing values (NA). Default is na.rm = TRUE. |
The PBE (%) is useful to identify systematic over or under predictions. It is an unbounded metric. The closer to zero the bias of predictions. Negative values indicate overestimation, while positive values indicate underestimation. For the formula and more details, see online-documentation
an object of class numeric
within a list
(if tidy = FALSE) or within a
data frame
(if tidy = TRUE).
Gupta et al. (1999). Status of automatic calibration for hydrologic models: Comparison with multilevel expert calibration. J. Hydrologic Eng. 4(2): 135-143. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1061/(ASCE)1084-0699(1999)4:2(135)")}
set.seed(1)
X <- rnorm(n = 100, mean = 0, sd = 10)
Y <- X + rnorm(n=100, mean = 0, sd = 3)
PBE(obs = X, pred = Y)
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