AnalysisMeta Class

An S7 class for tracking analysis metadata and audit trails, inspired by Tplyr's tplyr_meta for regulatory traceability.

Usage

AnalysisMeta(
  source_vars = character(0),
  filters = list(),
  row_id = "",
  derivation = "",
  timestamp = NULL,
  package_version = "",
  r_version = ""
)

Arguments

source_vars

Character vector of source variable names

filters

List of filter expressions applied

row_id

Character identifier for row-level tracing

derivation

Character description of how the value was derived

timestamp

POSIXct timestamp of analysis

package_version

Character string of package version used

r_version

Character string of R version used

Value

An AnalysisMeta object

Examples

if (FALSE) { # \dontrun{
meta <- AnalysisMeta(
  source_vars = c("AGE", "SEX"),
  derivation = "count distinct USUBJID",
  row_id = "demographics_age_mean"
)
} # }