Which statistical test can I use to test whether two standardized regression coefficients differ significantly?

Hello, I have conducted a multiple regression with two predictor variables and would like to find out whether the difference between the standardized regression coefficients is significant....

22 June 2020 8,788 11 View

Class imbalanced dataset for Machine Learning - how to test it?

I have a data-set with good and malicious files. Labelled as 0 and 1. In the data-set there are mor malicious files - like 3000 vs 800 good files. Nevertheless I am getting good results with...

27 April 2020 3,752 14 View

How to design a dataset of files and their "issues" for machine learning classification?

I have a few thousand files and each file has multiple "issues" after being deconstructed. They are labelled 0 or 1 for good or malicious. I think these "issues" can be a feature to determine if...

02 April 2020 2,941 2 View

Factorial Survey Experiment Analysis?

2x2x2 Design

26 November 2019 4,808 3 View

Has anyone experiences with drying plant parts (leaves, stems, roots, ears, kernels), especially of wheat plants in domestic microwave ovens?

Dear all, we need a procedure to rapid drying plant materials from field or greenhouse experiments to rapidly denaturing enzymes, kills micro-organism and stabilizes the tissues. On one hand we...

31 October 2018 5,942 9 View

No title

At the moment we hear a lot about artificial intelligence and machine learning. It is an awesome development, unimaginable completely or partially, now. How and when humans will gain the benefits...

19 September 2018 801 25 View

No title

21 July 2018 2,931 3 View

For NGS, can I use samples prepared with differerent number of cycles of PCR?

I am preparing samples for NGS, RNA sequencing. I isolate total RNA from B. subtilis, deplete it from rRNA and then make DNA libraries. Every step is quality-checked using BioAnalyser. And in the...

08 April 2018 7,871 6 View

Detaching cells from Lab-Teks. Do you have any suggestions?

Does anybody have any experience with cells detaching from Lab-Teks and how to deal with it? In one of our experiments we are not able to use gelatin or anything else. In other experiment we are...

13 September 2017 4,777 1 View

Bax protein isolation

19 June 2017 5,329 3 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

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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View