Theoretical computer virology ? is still alive ?

HI Everyone! I am asking to know by you, expert in cybersecurity and mathematics, if Computer virology (the one of Cohen and Andler) is still an active field of research. That research made in...

08 February 2021 7,613 6 View

In opensees is the ReinforcingSteel material sensitive to units of measure?

20 January 2021 7,043 2 View

How do I organize items to repeated surveys for quantitative and qualitative analysis?

Hello fellow researchers! Newbie here :) I created a survey with open-ended and Likert-type questions. The survey was administered nine times to the same people using google forms. I plan to...

01 January 2021 3,921 3 View

Is there a better library or function for plotting CFA with many observed variables in R?

Hello! I'm kind of new in using R for doing EFA, CFA, and SEM. I just followed a guide to perform CFA on my data to see how my context fits the ITC-SOPI model in a VR photo-based tour. I used...

23 December 2020 1,679 2 View

Best way to validate CRISPR-Cas9 editing efficiency?

I'm trying to obtain genetic KO in my cell line of interest using Lentiviral-mediated CRISPR-Cas9 delivery system. I would like to test more than one unpubblished sgRNA targetting a couple of...

10 August 2020 1,324 4 View

How to convert .txt into plink files (ped/map or bed/bim/fam)?

I have a huge oncoarray_genotype_XXXX.txt file with 11.7 GB size. I would like to convert this file into adequate files for analyzing in plink software. However, I could not find how to conduct...

08 July 2020 9,302 2 View

Fluorescence labeled antibody?

Hi all, I have a small question for you. Is there any fluorescent labeled antibody available which emits the fluorescence only if bound to substrate? So the unlabeled version does not emit any...

19 March 2020 5,715 2 View

How to evaporate Methyl Acetate, and purge added Ethanol?

To use an inhibitor, prepared and sold in a methyl acetate solution, I need to evaporate the aforementioned solvent and exchanging to ethanol or DMSO. I will do that with a gentle nitrogen stream....

01 March 2020 6,947 3 View

SPSS, data with 5 replicates. How to generate the variables-data sheet?

I am trying to analyze some results obtained from lipidomics. The experimental setup was as follows: 5 replicates, 3 conditions (1 control, 2 treatments). I have thus 5 numerical values per each...

08 January 2020 3,526 3 View

How to solve multicollinearity problem in mixture design?

Due to its own nature mixture design models (mainly with interactions) presents multicollinearity problems, some authors declare that a combination of forward stepwise and step backward stepwise...

05 January 2020 1,136 3 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View