Dataset:  lead_lipstick.csv

Source: P. Piccinini, M. Piecha, S.F. Torrent (2013). "European Survey
of the Content in Lead in Lip Products," Journal of Pharmaceutical and
Biomedical Analysis, Vol. 76, pp. 225-233

Description: Lead content was determined in 223 lip products (149 lipstick
and 74 lip gloss). Each measurement was made on 6 replicates.

Variable Names
JRC_code     (European Commission's Joint Reseach Centre)
purchCntry   (Country of Purchase)
prodCntry    (Country of Production)
Pb           (Mean lead content mg/kg)
sdPb         (Std Dev lead content)
Shade        (Color: Pink, Red, Brown, Purple)
prodType     (LP=lipstick, LG=lip gloss)
priceCatgry  (1 = <5 euro, 2 = 5-15,  3 = >15)