Fig. 1
From: The use of sheepdogs in sheep production in southeastern Brazil
Biplot of principal component analysis with correlations between items and categorizations made by interviewees from Question 7 asked to Brazilian farmers during the International Congress of Goat and Sheep Farmers (FEINCO VII), held in São Paulo, Brazil, from 9 to 13 March, 2010. This question asked the respondent to classify a list of items (food, labour, veterinary/medicine, taxes, and depredation/other) at levels 1 to 5, with 1 being the most expensive item