Evans Kyei

8 Questions 6 Answers 0 Followers

Questions related from Evans Kyei

Is there heteroscedasticity in my data, and if so how can I reduce it?

I am trying to perform a linear regression analysis but I fear that my data has heteroscedasticity, thus violating the assumption of homoscedasticity which is required for linear regression. I...

15 June 2020 337 3 View

Are two values statistically significantly different if their 95% Confidence Intervals do not overlap?

I estimated the percent tree cover for two fields and obtained as an example the following values ( 95 % CI): 13.67% (11.93-15.41%) and 9.27% (7.8-10.74%) . As the 95% CI do not overlap, can I...

10 May 2020 2,563 23 View

Is this a correct way to interpret and present the results of my binary logistic regression analysis?

This is how i interpreted it: Results of a binary logistic regression analysis to assess the effect of demographic factors such as farmers education, farmland size, location of farmland in the...

26 April 2020 7,412 5 View

Is Linear mixed model appropriate for assessing if there is a difference in tree density between land use types. I have a nested data?

Below is a hypothetical example of how my data looks like in excel. My actual data has 16 sites and each site has about 10 plots, so its a huge dataset). Plots are nested within Sites. I would...

13 April 2020 9,899 6 View

What are some native North American trees with very deep root systems during the seedling stage. Or any studies of that nature?

I need recommendations for some North American native trees that produce very deep root systems ( probably more than 2 feet deep) during its seedling or young stage of life.

06 April 2020 2,729 1 View

Can I use a kitchen oven to dry (a small amount of) plant materials for biomass assessment?

I don't have access to a lab oven. What are other methods I can use?

30 March 2020 1,786 14 View

Could people be unknowingly contracting the Covid-19 virus by touching their mobile phones?

A common trend I have seen among many shoppers and other people, in this troubling times, is the wearing of latex gloves as a measure against contracting the Covid- 19 virus. While shopping, many...

28 March 2020 8,141 12 View

What Northeast American tree species should I select in-order to assess the importance of functional traits in Japanese Knotweed competition?

I am looking to understand how different native trees with different functional traits compete against Japanese knotweed. The traits I want to consider include: 1. Species with different light...

07 March 2020 6,795 5 View