TY  - BOOK
AU  - Keen,kevin.J.
TI  - Graphics for statistics and and data analysis With R
SN  - 9781584880875
U1  - 519.50285 
PY  - 2010///
CY  - Boca Raton.
PB  - CRC Press
KW  - R(computer program Language)
KW  - Mathematical  statistics-Graphic methods-data processing
ER  -