Valentin Ștefan

4 Questions 6 Answers 0 Followers

Questions related from Valentin Ștefan

Is there a database of photos with insect pollinators on flowers of plants?

I would like to know if there is a database of photos with insect pollinators on flowers. The insects must be located on flowers of plants. I am interested in pollinators encountered in Europe,...

05 November 2020 2,408 6 View

Automated taxonomic identification of insects – where can I find some good enough software or code?

My colleagues study plant-pollinator networks. Insect (pollinator) identification is a task that requires a lot of effort. I would like to know if there are already good enough trained or...

22 April 2020 5,494 1 View

Advice with model selection of multinomial logistic regression models

Dear all, a) Would fitting first the most complex model (using all the explanatory variables) and then dropping variables in the order dictated by their significance, make a good strategy...

04 November 2015 3,330 7 View

Can anyone help with multicollinearity in nonlinear regression models and model simplification (deletion tests)?

While collinearity among explanatory variables is acknowledged in case of multiple linear regression, for me still remains a question mark in case of nonlinear regression. I am working with a...

12 March 2014 7,365 9 View