Mark Walton

3 Questions 11 Answers 0 Followers

Questions related from Mark Walton

Is there way of using "metamean" and the "byvar" function to examine the influence of multiple categorical variable on the mean values?

I have collected data from 300+ studies on microplastic densities in rivers, I would like to investigate how the density varies with numeric variables (population density, Average GDP, plastic...

16 November 2022 2,462 2 View

Cost of marine benthic habitat maps from LiDAR data?

Anyone know how much time would be required, or how much a consultant might cost, to produce a marine benthic habitat map of an area of 30,000 km2 using LiDAR data? Many thanks

17 February 2020 5,688 4 View

Can anybody tell me what causes these structures in the mid-intertidal zone in Qatar?

These photos were taken in a shelter bay in April in Qatar - but what causes them? Thanks

17 November 2016 9,993 4 View