turtle(faraway) R Documentation 

Incubation temperature and the sex of turtles
Description
Incubation temperature and the sex of turtles 

Usage
data(turtle)
Format
A data frame with 15 observations on the following 3 variables. 

temp
temperature in degrees centigrade 
male
number of male turtles hatched 
female
number of female turtles hatched 
Details
Incubation temperature can affect the sex of turtles. There are 3 independent replicates for each temperature. 

> turtle
   temp male female
1  27.2    1      9
2  27.2    0      8
3  27.2    1      8
4  27.7    7      3
5  27.7    4      2
6  27.7    6      2
7  28.3   13      0
8  28.3    6      3
9  28.3    7      1
10 28.4    7      3
11 28.4    5      3
12 28.4    7      2
13 29.9   10      1
14 29.9    8      0
15 29.9    9      0