How to resolve the problem of serial correlation in vector auto regression ?

We confront with this problem in index related data like CPI.

26 January 2021 9,993 1 View

What could be the reason behind recent records of lowland species at higher elevation ?

I am trying to findout reason behind shifting of wildlife towards higher elevation, How assumption can be made with a record of single individual at unusual elevation ?

15 April 2020 9,961 10 View

Do you have suggestions for feed formulation software?

Hi, I am considering buying a feed formulation software that could be used for teaching as well as animal experiments for both ruminants and monogastric species. Do you have any suggestions for...

05 December 2018 4,176 44 View

What are some of the analytical tools used to study walking behaviour? What modelling techniques are used to model walking behaviour?

I am trying to identify data analysis and modelling techniques to examine the relationships between environmental characteristics and walking behaviour.

20 June 2018 3,986 2 View

How to calculate area under curve (AUC) in R?

I would appreciate if you share R codes, information, suggestions etc. regarding calculation of area under curve in R for time-series data. Thanks

21 September 2017 3,590 6 View

What will be possible structure of product formed during polycondensation of compound containing three OH group with phenyl phosphoric dichloride ?

26 March 2017 8,060 2 View

How to use lsmeans to make interaction plots in R?

Hello there, I would appreciate if you could provide some tips on how to use lsmeans to make interaction plots in R. Thanks alot

16 February 2017 5,869 11 View

Independent t-test with covariates?

Hi all, I have two independent groups I want to test whether their values differ significantly for a number of parameters studied. Based on my statistical knowledge from early university, the...

02 February 2017 7,111 12 View

Can we do the animal study with four experimental groups by first taking two groups and then again two groups due to lack of animals at a time?

in case of a study with 20 rats divided into 4 groups with 5 rats in each group, due to lack of animal at a time we planned to do first two groups in one time and again within short duration we...

02 June 2016 8,031 6 View

How should i take the section of tongue to study the epithelial thickness and presence of inflammatory cell in response to the chemotherapy?

i am planning to study the effect of local honey in chemotherapy induced mucositis specifically in tongue in rat model. for this i have to excise the tongue and make the section. so my question is...

07 April 2016 6,890 3 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

Where can I find raw quantitative datasets on ecosystem services?

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

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

What are the available keys and descriptions for the identification of lice and fleas in domesticated animals?

I am an undergraduate student at the University of Peradeniya Sri Lanka, currently working on ecto-parasites in domesticated animals. I found difficulties in the identification due to a lack of a...

15 February 2021 277 1 View