How multivariants data can be analysed?

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Baselinedrop in ACN/H2O-Buffer solutions for HPLC

Hello, I recently started to work with buffered mobile Phases for HPLC. Since it's volatile I'd like to work with TEAA (Triethylammoniumacetate)-buffer at pH = 7,5. I've prepared 103 mM...

28 May 2017 6,117 6 View

Is there any difference between capillary and venous IGF-1 level?

Most of the published information refers to "blood IGF-1 levels" as concentration obtained from venous (cubital) source from human subject. Is there any difference between the capillary and the...

07 February 2017 367 1 View

Can any body suggest an easily usable, relatively cheap and accurate cAMP assay kit?

I will use CHO cell lines overexpressed with a certain opioid receptors, and I want to characterize the agonist efficacy of certain opioid compounds with this assay. So far I was looking at Cisbio...

25 January 2015 4,370 2 View

What kind of pitfall traps would you use on shallow, rocky soils?

Aim: to capture surface active invertebrates to estimate relative abundance. Catch: no expensive equipments allowed due to risk of damage or thieves.

12 February 2013 3,569 7 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

Are there any databases for gene co-expression or expression pattern clustering?

I am currently working on gene clustering based on co-expression pattern in mouse brain. The problem is I do not have some solid way to test my result. Are there any suggestions for databases...

22 February 2021 4,374 3 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Which statistical test to use for comparison of different groups in a categorization?

I am doing a study on how programmers with different levels of expertise choose class names. A description was provided to the participants together with a list of possible class names for the...

21 February 2021 3,662 4 View

Statistical Tests for Quantitative Study?

Hello Everyone, I have one population, sample size 200. and needed to find the correlation between Variable A and B. Also, which T-test should I choose for hypothesis testing Please advise...

21 February 2021 7,591 4 View

Methodological confusions regarding deductive and inductive reasoning, hypothesis and theory test?

Hi Colleagues- What do you think about the following methodological issues: 1. Is it methodologically wrong to formulate quantitative research questionnaire based on inductive reasoning? 2. Is it...

21 February 2021 4,634 6 View

Which statistical test is best to seperate out treatment effects meta-analysis?

I am doing a meta-analysis and am looking for some guidance on which statistical test will help me do the following. I want to understand the effect size a treatment has on a population. There...

16 February 2021 8,033 3 View