ANOVA

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Questions related to ANOVA

Biostatistician/Statistician required?

I am a General Surgeon looking for a statistician who can support us with our projects in Surgery?Public Health, in return for a collaboration. Do you know anybody interested?

15 February 2022 9,845 8 View

How can I find the Lewis acidic strength of a heterogeneous Ni- catalytic complex?

How can I find the Lewis acidic strength of a heterogeneous Ni- catalytic complex? Could anyone tell me how the Lewis acidic strength of a Ni-Complex heterogenized on Fe3O4@SiO2 MNPs could be...

14 February 2022 8,290 0 View

Anova, Manova, Ancova, Mancova, or Correlation, or something else?

Hello, I would like to ask you for your opinion. Recently, I conducted a research study to find out whether or not there is difference in moral reasoning between people with BA, MA, and PhD...

10 February 2022 6,619 5 View

Nested GLM models in R?

Hi researchers, Is it possible to perform nested GLM models or nested ANOVA of GLM models with >2 categorical variables in R, or does it make sense? Thank you

09 February 2022 432 3 View

How to calculate adjusted odds ratio ?

I carried out binary logistic regression and it provided crude OR, how can I calculate adjused OR?

09 February 2022 8,102 6 View

How to work with percentage data in statistics?

We work on comparing the effects of different treatments (e.g. temperature increase, ocean acidification, eutrophication) on different physiological parameters of a coral species (e.g. its...

08 February 2022 967 2 View

Is there any open source Brain-Computer Interface software for capturing data from the EEG sensing headset?

The software could aid visualization and data capture from the EEG sensing device transferring data through Bluetooth connection.

08 February 2022 9,580 3 View

Linear Mixed-Effects Model and Repeated Measures?

I am interested in examining whether my protein of interest is associated with cognitive decline over a period of time. In our study, participants were followed longitudinally for 8 years. At each...

05 February 2022 8,353 5 View

Which model fits best: 2- way ANOVA vs linear regression vs linear mixed effects model?

I plan to conduct a study where each participant is randomly exposed to two different stimuli (audio and visual stimuli) in total 180 clips. The stimuli contain 10 different levels with...

04 February 2022 9,157 3 View

What to do with 100% datapoints when conducting a Logit transformation?

I have a panel dataset of 120 different countries measuring a variable over three periods. This variable indicates the percentage of 1000 respondents in each country that answered yes to the...

02 February 2022 1,292 7 View

How to define fixed effects in linear mixed effects model?

I am trying to run a mixed effects model. in the estimates of fixed effects, I receive estimates for each value of the dependent variable separately (although defined as a scale), instead of an...

01 February 2022 5,687 7 View

Which criteria can be used to remove or accept EEG channels using EEGLAB ?

Hello, I have 19 EEG channels and use ICA for EEG artifact removal. Which criteria can be used to remove or accept EEG channels using EEGLAB? Thanks

01 February 2022 6,282 1 View

How to statistically compare three dependent means (standard deviations)?

Suppose that I intend to compare the concentration (a quantitative continuous variable) of analyte X in blood, tears and urine. I was able to get all aforementioned specimens from 600 adult...

30 January 2022 4,210 7 View

What statistical test should I use to investigate how changes in variables A (continuous) affect changes in Variables B (continuous) longitudinally?

What statistical test should I use to investigate how changes in variables A (continuous; defined as A at Time2- A at Time1) affect changes in Variables B (continuous; defined as B at Time2 - B at...

30 January 2022 5,026 4 View

Any one who knows latest R package for causal inference?

30 January 2022 9,097 9 View

Can I perform CellRox assay for Caco-2 cells treated with fruit extracts?

Hi, I am planning to check effect of fruit extracts on Caco-2 cells and DNA oxidation in them. As a oxidizing agent I planned to use H2O2. Has somebody used this test for cells interacting with...

29 January 2022 3,626 0 View

Is there any scale available in the literature to measure employee actual turnover?

Dear All Can anyone suggest me if there is any scale available to measure employee voluntary turnover? Although I have come across many scale for employee turnover intention, unfortunately wasn't...

22 January 2022 7,461 8 View

Repeated Measure ANOVA Mauchly's Test output has four lines?

Hello, I collected data to pilot test four different persuasive messages. I had each participant answer the same questions (Likert scale) after viewing each message. Therefore, to compare the...

18 January 2022 8,060 7 View

Does a repeated measure ANOVA work for a randomized contro trial (a treatment, 2 groups, several variables, 5 time assessments)?

Could you please help me with this research design? In a randomized control trial, the effects of a treatment method will be investigated on more than 3 variables, in 5 times assessment in two...

17 January 2022 7,990 6 View

Which is the best option, non-parametric ANCOVA or generalied least squares?

I have a big dataset (n>5,000) on corporate indebtedness and want to test wether SECTOR and FAMILY-OWNED are significant to explain it. The information is in percentage (total liabilities/total...

16 January 2022 6,174 8 View

How to extract confidence interval data from the plots produced by MaxEnt?

Hi! I used MaxEnt to carry out SDM for 16 species across 26 environmental variables. I did 10 replicates for most species and more replicates for some due to the small sample size. To show my...

14 January 2022 3,124 3 View

Can I unnest 2 variables with different lengths using tidyverse/ dplyr packages in R?

Hi, I tried to convert my long format data to wide format, and I got the error "Error: Incompatible lengths: 36, 37". I would be grateful if anyone could suggest to me how can I unnest them using...

11 January 2022 6,197 2 View

How to test the significance of the difference between time points?

I have a dataset, assoicated with 5 time points. For each time point, I have three replicates. I understand that for a time-series dataset, repeated-measures ANOVA or Friedman test would be the...

10 January 2022 5,579 7 View

How can I test whether soils in two different areas have different drainage class?

For example, I have a data set of drainage classes with four levels (e.g., a, b, c, d). It was measured from randomly selected points in two different areas (e.g., East and West). What I want to...

07 January 2022 9,891 6 View

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