Package index

Construct and describe a study

studyframe(): Bind observations to their collection context
variable_spec() sampling_stage() sampling_spec() variance_spec() weight_spec() assignment_spec(): Declare how observations were collected
roster_spec(): Declare what the attached roster represents
evidence_spec(): Identify source evidence without certifying its claims
instrument_ref(): Map a measurement to a versioned instrument artifact
attach_evidence(): Attach attributed evidence and unresolved import diagnostics
context() collection_data(): Inspect attached context and roster
validate_studyframe(): Validate structure and consistency without certifying an analysis

read_qualtrics(): Import a bounded Qualtrics response export with its instrument evidence
rename_studyframe(): Rename columns while retaining their scientific identities
derive_studyframe(): Add a derived variable with its definition
recode_studyframe(): Recode values into a new measurement with an explicit mapping
join_studyframe(): Join measurements without multiplying observational units

analysis_request(): Request a supported analysis with explicit design choices
regression_request(): Request a model-based linear association
analysis_issue(): Describe an analysis requirement or import uncertainty
check_analysis(): Check requirements without fitting an outcome model
run_analysis(): Fit a supported request after preparing its declared design
estimate_mean(): Estimate a mean using a declared survey design
estimate_effect(): Estimate an effect on a declared complete randomized roster
as_survey(): Translate an explicitly selected survey specification

write_studyframe() read_studyframe(): Save or read data and context as one portable bundle
write_codebook(): Generate a readable codebook from the attached declarations