How do you annotate figures to show significance?

30 January 2021 1,008 3 View

How can peptides based on allele sequences be delivered to mice?

I am looking to measure allele-specific immune responses for specific antigens. After identifying the most prominent alleles in a population, I am looking to express them in mice and then measure...

03 September 2020 9,281 1 View

Missing values in R lme(): how to include observations with missings in the outcome variable?

Hello, I am struggling to understand how I best use the na.action options in R's lme function for a hierarchical linear model. I have a longitudinal data set with a two-level nested structure...

23 July 2020 2,327 4 View

How do I interpret extremely low values of Blomberg's K with low P values?

I have a set of trees and am using Blomberg's K to detect phylogenetic signal. I am finding that for several of them, my values for K are close to 0 (in the region of K = 0.001 - 0.004) which...

05 December 2019 6,379 1 View

Warning messages in Abaqus relating to general contact, tie constraints, and stringer beam elements - are they an issue?

Hi, I have a 3D model that I am using to model a shear connections in reinforced concrete. The model is using C3D8R elements for the concrete and B31 elements for the reinforcement, which are...

27 February 2018 8,169 3 View

Liquid culture colony PCR technique?

I need to do a pcr on a liquid culture of E.coli. I'm amplifying a 150bp region of gyrA, using primers that I designed. I'm using NEB Next Ultra 2 Q5 MM. For the reaction, I am using 5ul NEB, 0.5...

25 October 2017 5,995 5 View

I am currently dealing with article critique on learning theories.? This been my first time to do this what would you recommend for effectiveness?

I am taking Edu 831 (Learning theories), it involves article critique on use of different learning theories in research. How can I critique an article effectively and what does it involve?

08 October 2017 1,958 3 View

How can research on attitude change benefit government initiatives to encourage young people to develop more healthy attitudes towards alcohol?

How do you think research on the Theory of Reasoned Action (TRA) and the Theory of Planned Behaviour (TPB) influence government initiatives to encourage healthy attitudes and perhaps even change...

12 August 2017 2,479 3 View

I would like to store 10 uL aliquots of bacterial culture. What would be the best way?

I need to store 10ul aliquots of bacterial culture , would the best way be to put them in PCR tubes with some gylcerol (10ul 50%) at -80?

31 January 2017 2,848 3 View

Unusual pelleting with ethanol precip after phenol chloroform. Help troubleshoot?

I've been using phenol chloroform extractions on my Chromatin IPs, but after the ethanol precipitation I either get very tiny pellets, or a smear along the side of the tube. I think it is...

07 June 2016 10,024 2 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

How can I obtain Reaction Forces in ABAQUS?

I am trying to simulate a simplified version of a beam resting on 10 points using Abaqus. The solutions I want to obtain are the Reaction Forces in each resting point or area when applying a...

21 February 2021 3,075 2 View

How to perform EEG classification of Alzheimer and control groups?

I am doing a project on classification of EEG signals of Alzheimer's disease and control groups. Previously, I extracted the alpha power of the EEG signals and found out the strengths. I want a...

18 February 2021 8,502 2 View

Can you please suggest me how to convert EDF file into Mat file for EEG datasets?

Hi sir, 1.can you please suggest to me how to convert the EDF (European Data format) file into a Mat(Matlab) file for EEG datasets?. 2. Also suggest some publicly available EEG Motor Imagery...

15 February 2021 7,620 1 View

Alpha/Theta Ratio with MNE-Python?

Does Anyone have an experience with generating Alpha/theta ratio of EEG signals using MNE Python. I have generated the necessary Alpha-Theta bands, properly filtered it. So, someone with...

30 January 2021 754 1 View

How to find statistical data of EEG signals?

Hi all, I hope everyone is doing good. I am working on Machine Learning, I am working on EEG data for which I have to extract statistical features of the data. Using mne library I have extracted...

29 January 2021 6,686 1 View

What method should I use for time-varying signal analysis?

Hello! We have a project where participants engaged in reading, thinking and then responding to an ethical dilemma. We used the EMOTIV 14 channel headset to track brain activity. The reading,...

29 January 2021 4,182 3 View

Can I project all raw motor imagery EEG data onto two spatial filters developed from training data?

Greetings RG community, I have been working on a pipeline for the classification of EEG motor imagery signals. This is currently being done on the Giga Science MI dataset with 52 subjects, using...

28 January 2021 6,947 2 View

Can you apply graph theoratic functional connectivity analysis to study cognitive processes under external stimuli?

Can functional connectivity analysis using Graph Theory (Hub-ness, clustering coefficient, etc) be applied to study cognitive processes? I felt most of the analysis to study the brain after...

25 January 2021 4,575 3 View