Difference between SEM and HIRT with binary data?

Hi everyone, I am looking for the suitable method to perform a factor analysis of binary data. When going through the literature on factor analysis on binary response data, it appeared to me that...

21 August 2018 2,728 5 View

Hello, I would like to reduce some antibody (anti-mouse CD11c) using DTT, desalting it and then aliquot it and freeze it at -40C?

Hello, I would like to reduce some antibody (anti-mouse CD11c) using DTT, desalting it and then aliquot it and freeze it at -40C? Do you think the Ab will stay in a reduced form over time? Thank...

12 December 2017 6,977 2 View

How to open a .tck file to view tractography without mrview ?

I used MRtrix3.1 for tractography. I generated a .tck file and I want to view tractography results. But I can't use mrview for the moment. Can I use other software (Main Explore or other...)...

21 September 2017 2,332 2 View

Help improving my antigen retrieval protocol (citrate buffer) ?

08 February 2017 7,244 5 View

There is a molecule able to increase elastin production of fibroblast in culture ?

We want to test if a product could increase elastin production on fibroblast culture. Therefore we would like to find a positive control to compare with our product. But for the moment, I have not...

08 June 2016 8,427 2 View

Is it possible to use your meteorological data from fennec stations ?

12 April 2016 6,004 1 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

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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

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