clutch_ID	eggs_original	fertilized	non_fertilized	hatched	percentageHatching	percentageFert	hatching_day	incubation
a	25	11	14	9	82	44	3	sand
b	25	12	13	10	83	48	4	sand
c	25	12	13	9	75	48	3	sand
d	25	1	24	1	100	4	3	sand
e	25	13	12	12	92	52	3	sand
f	25	7	18	6	86	28	3	sand
g	25	1	24	0	0	4	NA	sand
h	25	8	17	6	75	32	3	sand
i	25	9	16	8	89	36	3	sand
j	25	13	12	12	92	52	3	sand
a	87	42	45	42	100	48.27586207	3	tumbler
b	27	10	17	8	80	37.03703704	4	tumbler
c	73	35	38	31	89	47.94520548	3	tumbler
d	78	20	58	19	95	25.64102564	3	tumbler
e	119	77	42	77	100	64.70588235	3	tumbler
f	59	16	41	16	100	27.11864407	3	tumbler
g	72	13	59	12	92	18.05555556	3	tumbler
h	82	16	66	12	75	19.51219512	2	tumbler
i	191	72	119	70	97	37.69633508	3	tumbler
j	61	32	29	24	75	52.45901639	3	tumbler