Yan Loo

6 Questions 1 Answers 0 Followers

Questions related from Yan Loo

Why is the result "negative" in PERMANOVA (PRIMER-e v7)?

I am trying to compare the coral compositions between 2 seasons in 17 sites using PERMANOVA in PRIMER-e v7. I obtained valid results for 16 sites, but it always turned out "negative" for this site...

20 December 2023 4,490 0 View

What can I do when outliers still exist after log transforming data?

I am log-transforming some environmental data for principal components analysis (PCA), in hopes of removing outliers. However, it did not seem successful for many parameters, such as TP, Salinity,...

21 November 2023 6,991 3 View

How to interpret a significance in interaction in a two-way ANOVA?

I am confused by the results of two-way ANOVA, and I'd greatly appreciate any help, please! For instance, I am collecting light intensity data for a 2-factor design: Season (summer, winter) and...

15 February 2023 6,638 5 View

Is it possible to draw convex hulls or ellipses on PCA and dbRDA plots on PRIMER v7 software?

06 September 2022 181 1 View

How to determine if an experimental design is two-way crossed or nested?

Hello all, I'd greatly appreciate any help to clear my confusion about two-way crossed and nested design! I am counting the abundance of each common genera of microalgae from the mangroves and...

10 March 2022 5,757 4 View

How to use Imaging-PAM MAXI on microphytobenthos (MPB)?

Has anyone used Walz Imaging-PAM MAXI on microphytobenthos (MPB)? I am using the Special SP-Routine on a petri dish of raw sediment sample, and I see patches of fluorescence, the most intense...

11 June 2021 2,949 2 View