PROC FORMAT;
VALUE BIRDFMT 1='Ruby-crowned Kinglet'
              2='Yellow-rumped Warbler'
              3='House Finch';
DATA BIRD;
INPUT SITE $ SPECIES COUNT;
FORMAT SPECIES BIRDFMT.;
CARDS;
Columbia 1 78
Columbia 2 74
Columbia 3 64
Congaree 1 123 
Congaree 2 145
Congaree 3 161
Santee 1 351 
Santee 2 520
Santee 3 170
PROC FREQ DATA=BIRD; WEIGHT COUNT;
TABLES SITE*SPECIES/CHISQ CELLCHI2;
RUN;