I am working on an example of using PCA to analyze the ecosystem services enjoyment. I tried to re-calculate the results with R but the yields are different from those reported in the paper.
I use princomp and principal function from R
Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...
02 March 2021 3,584 1 View
In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...
25 February 2021 5,229 3 View
The on-going Covid-19 pandemic has had devastating economic effects on many industries. However, few have suffered to the same extent as full-service restaurants. Numerous studies have shown that...
24 February 2021 9,496 4 View
I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this
23 February 2021 6,689 3 View
Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...
21 February 2021 2,084 1 View
Detecting the drug related problems is an important step in the pharmaceutical care plan
21 February 2021 5,421 3 View
I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...
19 February 2021 5,911 2 View
Hi, I have a simple question. I am hoping to perform a power analysis/sample size estimation for an RCT. We will be controlling for baseline symptoms, and using post-treatment or change scores as...
19 February 2021 2,648 23 View
Dear colleagues, I'm working with Path analyses in lavaan and MVN packages. There are some results that for me are confusing and features from the MVN that I do not know how to set. My dataset is...
18 February 2021 190 3 View
Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...
17 February 2021 2,141 9 View