calcWhalley {biotic} | R Documentation |
Calculates Whalley revised BMWP, ASPT and N-taxa indices for invertebrate samples.
calcWhalley(df, type = "num")
df |
A dataframe containing list of taxa in first column, followed by columns of abundances with sample names in header row. |
type |
Indicates format of data. Options are "num" for numeric data, "log" for integer log abundance categories (1-5) or "alpha" for alphabetic abundance categories (A-E). Default value is "num". |
A data frame consisting of columns of index values with samples in rows.
# calculate the Whalley revised BMWP indices for the Green Burn dataset
# data are numeric log abundance categories, so type is "log"
calcWhalley(greenburn, "log")