API reference

Allocation

som	Generate a selection order matrix (SOM).
fsm	Allocate units to groups with the Finite Selection Model.
fsm_batch	Allocate a new batch of units given units already allocated.
crd	Draw a completely randomized design.
scomars_probs	Conditional SCOMARS probabilities along a realized two-group path.
SelectionOrder	The order in which treatment groups take turns choosing units.
FSMResult	Outcome of an FSM allocation.

Balance and design assessment

tasmd	Target absolute standardized mean difference of one group.
tasmd_rand	TASMD of one group under one or more designs.
TasmdSummary	TASMD across repeated assignments.
asmd	Absolute standardized mean difference between two groups.
ess_rand	Randomization-based effective sample size of each design.
ess_model	Model-based effective sample size of each assignment.
love_plot	Plot imbalance per covariate for one or two assignments.

Inference

perm_test	Fisher randomization test of a sharp null hypothesis.
PermTestResult	Result of a Fisher randomization test.

Covariates and data

make_sq_inter	Add squares and pairwise products of the columns of data.
lalonde	Dehejia and Wahba's subset of the National Supported Work data.