prep_price_data: Prep Price Data
In evanjflack/cfo.behavioral: Behavioral Hazard and Patient Decision Making

Prep Price Data

1	prep_price_data(price_by_drug, rxcui_codes, n_quant, price_var)

`price_by_drug`	data.table with average price and number of observations by g_rxcu code/coverage arm. Columns should be named as follows: g_rxcui, arm, oop_cost, obs
`rxcui_codes`	character vector of g_rxcui code(s) of interest
`n_quant`	number of quantiles to cut the price variable into
`price_var`	price variable to use for cutting price into quantiles