Maria Chiara Rosace

5 Questions 12 Answers 0 Followers

Questions related from Maria Chiara Rosace

How to convert lat-long coordinates (raster layer) to UTM in R?

Dear colleagues, I am aware this question has been asked several times but despite searching and trying I have not been able transform my raster file yet. > crs(myfile) Coordinate Reference...

24 May 2023 7,671 0 View

Getis G* for hotspot analysis: what if all input values are 1?

Dear colleagues, I am approaching the hotspot analysis for the first time. My main goal is to understand the advantages and disadvantages of different methods used for the hotspot analysis (e.g.,...

16 November 2021 5,239 1 View

How can I compare exponential models or their slopes?

Dear researchers, I have some sets of data which were fit with an exponential equation: Y = e^(-aX). The exponential equation parameters (a) for the different sets were estimated using nonlinear...

01 February 2021 849 8 View

Is it possible to fix the intercept in a linear model (lm() in R)?

Dear all, I believe this should be a simple question but after trying and reading I still have no solutions. Basically what I want to do is to run a linear model in R fixing the intercept to a...

27 November 2020 7,223 6 View

Which non-parametric equivalent to the two way ANOVA can be used?

Dear colleagues, I am looking for a non-parametric alternative to the two-way ANOVA as my data are not normally distributed (variances are homogeneous). Friedman test is not a good option as my...

29 September 2020 10,129 11 View