Questionnaire data, butterfly images and analysis code

This dataset contains the raw data of questionnaire named “Original data” under the file “Questionnaire_data__butterfly_wing_color_brightness_and_contrast.xlsx”, that is the responses of local Dai people to the twenty questions (Questions were indexed as the abbreviation of the categories from BK1 to AK5. See the second column on sheet“proportion”). Original data was used to do Kaiser-Meyer-Olkin (KMO) and Bartlett’s Test of Sphericity in SPSS 17.0, and Confirmatory factory analysis (CFA) in SPSS Amos Graphics (see supplementary materials in Yang et al, “Biased local ecological knowledge of butterfly diversity provided by the ethnic minority in Southwest China's biodiversity hotspot\").

The file named “butterfly_images.rar” is the digital images of butterfly which were used to measure the wingspan, wing color brightness and contrast. These data were devoted to analyses the divergency between the butterflies recognised or not by local Dai people stored in the xlsx file named “Wing colo...