calculate_pseudocount: Calculate data-driven pseudocount for log transformation
Description
Calculates a pseudocount based on the data to avoid log(0) issues.
Uses half of the minimum non-zero value to ensure the pseudocount
is smaller than any real value in the data.
Usage
calculate_pseudocount(values)
Value
Pseudocount value (half of minimum non-zero value, or 1e-6 fallback)
Arguments
- values
Numeric vector of abundance values