How to compute for Analysis of Variance if all values of the data set are zero (0)?

14 April 2020 1 10K Report

My results in conducting the biodegradation study on a certain plastic all had 0% weight loss. What should my p-value be?

Faye Anderson

The values of the observations being zeroes are not an issue. Your issue here is the sample size. You need a larger sample size. Check this out:

https://stats.idre.ucla.edu/other/gpower/one-way-anova-power-analysis/

Badges
Science method

More Gabrielle Carrillo's questions See All

How to compute for water content?

I have to measure the water content of plastics that have undergone biodegradation, and my mother journal states that “the amount of water evaporated per gram gives the water content.” What does...

12 April 2020 653 0 View

What is 55% of the maximum water-holding capacity of loam soil?

I am tasked to prepare 100g of loam soil composed of 77.5% silt, 12.8% clay, and 9.7% sand. The water content of the soil must be 55% of its maximum water-holding capacity. How must I compute and...

24 January 2020 9,665 3 View

How to modify moisture content of dry soil by percentage?

For example I have 1.2 kg of dry soil with 0% moisture content, how much water should I add to increase moisture content to 18.67%?

09 October 2019 2,059 3 View

Are there instances where molecules with larger molecular weights exhibit greater mobility than those with smaller molecular weights?

Hi, I know that low molecular weight (MW) molecules generally tend to have higher mobility, while high molecular weight molecules tend to have lower mobility. However, in my experimental...

06 August 2024 1,495 2 View

For an in-vitro drug release study, what molecular weight cut-off (MWCO) dialysis bag is required for a 117 kDa protein?

kindly reply me. Thanking you in advance.

05 August 2024 7,727 4 View

Repeated measures ANOVA, ANCOVA or Regression?

Would anyone be able to advise me... I have an RCT with a control and experimental group. Participants were recruited from one school (n=59). Participants were assessed using repeated measures on...

04 August 2024 4,040 6 View

I need the datasets of Microgrid for system identification?

Hi I am working on data driven model of the microgrid, for that, i need the reliable datasets for the identification of MG data driven Model. Thanks

02 August 2024 5,748 4 View

What is the acceptable p-value cutoff for GO enrichment analysis ?

I have an RNA-seq data that I have analysed using Limma-voom and have extracted the gene IDs, log2FC and the p-values. At p value < 0.05, I have over 10,000 DEGs, however, when I run the GO...

31 July 2024 225 2 View

Posthoc test lettering in JAMOVI?

Does anyone know of a module for the JAMOVI software that is capable of generating mean separations using the classic letters based on post hoc results (e.g., Tukey test)? If, as I believe, such...

31 July 2024 3,333 4 View

How to do Mann-Whitney U test with Bonferroni corrected p-values?

Dear All, My lab primarily works on insect wing patterns. In one of the projects, my student and I have defined 19 abnormality characters on the forewing and 6 abnormality characters on the...

31 July 2024 6,464 5 View

Difficulty with permittivitt and Magnetic Permeability Calculations?

Difficulty with permittivitt and Magnetic Permeability Calculations Hello everyone, I have all the parameters related to the calculations of the permittivitty and magnetic permeability...

30 July 2024 5,206 1 View

How to use Desmond in HPC ?

Our department has recently acquired an HPC (High-Performance Computing) system, and I'm thrilled to take my molecular dynamics calculations to the next level using Desmond. I used to run my...

28 July 2024 6,553 1 View

Bonferroni correction. I have independent t-test, paired t-test and ancova conducted. Which test would require Bonferroni adjustment?

I have two groups that I test on three different tasks. I have 4 independent t-test, 6 paired t-test and 2 ANCOVA. My concern for which t-test should I conduct bonferroni correction. At the moment...

28 July 2024 7,827 6 View