tikatuwq (version 0.8.2)

validate_wq: Validate presence of required columns

Description

Ensures a minimal set of columns exists in the dataset; otherwise throws an error listing the missing names.

Usage

validate_wq(
  df,
  required = c("ph", "turbidez", "od", "dbo", "nt_total", "p_total", "tds",
    "temperatura", "coliformes"),
  nd_policy = c("ld2", "ld", "zero", "na")
)

Value

The input df if valid; otherwise, an error is thrown.

Arguments

df

Input data.frame/tibble to validate.

required

Character vector of required column names to check for.

nd_policy

Policy for censored values (ND/<LD/<LOQ) when required columns are not numeric. One of:

• "ld2" (default): use half the detection limit

• "ld" : use the detection limit

• "zero" : replace with 0

• "na" : replace with NA

See Also

read_wq(), conama_check()

Examples

df_ex <- data.frame(
  ph = 7, turbidez = 2, od = 7, dbo = 3,
  nt_total = 0.8, p_total = 0.05, tds = 150,
  temperatura = 24, coliformes = 200
)
validate_wq(df_ex)