How to extract within-group effects from a mixed effects model in R?

Hello, I am working with some longitudinal data resulted from a clinical trial. I have the interaction effect of time and group + random effect of Subject. Time variable consists of 6 timepoint...

29 November 2020 6,416 3 View

How can I apply degenerate primer in SerialCloner (2.6.1) to run a PCR?

I have to carry out an in silico PCR on the 16S-rRNA gene of 5 random bacteria strains. I would like to evaluate the resulting amplicon of different primer pairs. Because I can only use free...

14 November 2020 2,341 2 View

Random effect: include or exclude, considering ICC?

We conducted a field trail, where a harvesting machine repeatedly passed numerous study plots (randomly located in a forest stand). After each pass, rut depth increment was measured. Number of...

08 November 2020 4,232 3 View

How to do a meta analysis--defining a model?

Hi, I wanted to know the fundamental basics of a meta analysis. I have read up and found many diff methods being applied to answer a given research question. I want to understand the below: 1....

20 July 2020 4,445 5 View

Abaqus Error: The surface of a 3D discrete rigid part does not exist in the assembly?

I used a discrete rigid part (cuboid) to translate a force into a plate for a bending test. Trying to run the job, there occurs an error that the surface of the cuboid does not exist. In the...

20 January 2020 5,160 4 View

Advanced analysis of summary data of 2 different surveys?

Hi, I am doing a state wise comparison of nutrition related data of 2 different surveys and I am using their state wise estimates. I have raw data for only 1 data set and I understand that I...

20 January 2020 8,530 3 View

Recommendation on research on Bangladesh/South Asian programs on breastfeeding/nutrition <1 year child?

Hi, I am looking for references on nutrition interventions in south asian nations like Bangladesh and Sri Lanka (mostly nutrition sensitive/preventive approach) to reduce growth...

05 January 2020 7,580 8 View

Suitability of Poisson Regression?

Hi, I am looking at dietary diversity (7 food group score data) as a dependent variable and with 2 continous and 2 categorical variables as independent variables.. Is poisson regression okay for...

14 May 2019 6,906 5 View

Does anyone have any idea what is the main difference between fugene HD transfection reagent and Fugene 6 transfection reagent from Promega?

I am trying to choose between 2 transfection reagents knowing that I will be working with HepG2 cell line and HUH-7

10 April 2019 2,382 4 View

Interpretation of Dummy Variable ?

Hi, I have done a linear model with 3 IV including female dummy on weight for height Z score.. I need help with understanding the effect of coeff value (positive value) with regards to intercept...

06 November 2018 7,502 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to consider effects of rapid warm adaptation in modeling of ecological impacts of warming?

I would highly appreciate it if my fellow ecologists (biologists) provide their opinion on the thoughts below [esp., shortly tell us which path may be more effective, if they know another way, if...

15 February 2021 3,642 6 View

What are backpropagation formulas for residual neural networks?

14 February 2021 4,194 3 View

Has anyone used Pro-Touch color bands to mark raptors?

We have been color banding American Kestrels using A-craft alpha-numeric color bands since ~2013 and would like to test other options. I am curious if any other researchers have experience using...

01 February 2021 6,786 3 View

Can any one suggest the name of Litchi insect/predator?

Is it a type of Ambush bug or what? Thanks

14 January 2021 9,381 3 View

How to measure abundance in an LC-MS/MS experiment?

Is the chromatographic peak a valid measure of a compounds` (relative) abundance in LC-MS data? We have recorded three MS/MS spectra; their retention time falls into a specific chromatographic...

13 January 2021 6,685 6 View

Does anyone know about vision-guided control of civil structures?

I would like to know more about the following issues: 1. Using images as feedback for the closed-loop control of civil structures 2. Simulating the vision-guided control on the computer without...

03 January 2021 7,566 1 View

How can we say a species of insects got extinct?

02 January 2021 4,232 10 View

Simulation of a Prestress Force Monitoring for PSC Beam using ansys fem package?

Any person who can help me in simulation of a Prestress Force Monitoring for PSC Beam using ansys fem package.

01 January 2021 2,588 2 View