Bayesian statistics with Dirichlet process r package?

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Can nonanol be directly oxidized into nonanal by O2 under ambient conditoions without any catalysts or additives?

Can nonanol be directly oxidized into nonanal by O2 under ambient conditoions without any catalysts or additives? any comments and literature would be appreciated.

09 November 2020 6,744 5 View

Is this yeast contamination and how do I get rid of it?

I received this gastric tumor biopsis and processed using standard protocol to establish gastric cancer organoids. Contamination looks like this. I have never seen this before and the culture...

08 November 2020 8,541 4 View

How to use pilot data to do simulation to calculate the sample size for linear mixed model using matlab?

Hi, all, I have a 2(group)*3(time) design, and at this moment, I got 5 subjects in each group in the pilot study. I would like do a power analysis and sample size calculation. since the design I...

03 February 2020 8,851 1 View

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If the mass and volume of the oil droplet are known, and the oil droplet is formed from nonanoic acid, how to calculate the cross-sectional area and thickness of the oil droplet on the water...

28 December 2019 705 3 View

What kind of graph should I draw to show the difference between predicted value and true value in R?

How to calculate MAE in R? How to draw a graph to show the difference between predicted value and true value in R?

25 December 2019 7,375 5 View

How to refine a regression model?

After we trained a deep learning model for regression problem, how to refine it? What are the possible reasons for its poor performance?

25 December 2019 118 5 View

How to present the relationship between two mutually exclusive independent variables on dependent variable in one model?

I want to compare the different impact of two communication strategies (stra. A and stra. B) on brand trust. Meanwhile, the main effect between communication strategy and brand trust is mediated...

20 June 2019 5,122 3 View

Why the distance between bromophenol blue bands and xylene cyanol FF bands are close?

I am doing the gel electrophoresis to check my DNA samples, and I found that after adding loading buffer and start running, the distance between bromophenol blue bands and xylene cyanol FF bands...

04 June 2019 2,300 3 View

What are the bandgap scope of carbon quantum dots with blue,cyan and green fluorescence, respectively?

What are the bandgap scope of carbon quantum dots with blue,cyan and green fluorescence respectively? such as red fluoresence carbon quanutm dots correspond to ca.2.06eV. How about the others?

18 December 2017 9,681 2 View

Why i cannot get a good curve of acarbose in alpha-glucosidase assay?

I had tested Acarbose in Alpha-glucosidase assay, the result showed a very low absorbance, it almost same reading as negative control (Distilled water). Below is my method of the assay. Anyone...

08 December 2017 2,457 2 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