How can I plot ROC curve with nominal data ?

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Small displacement measurement in vacuum?

Hello, I have a question. there is a circular thin foil which vibrates in vacuum, the foil restricted and moves up and down. it is like a diaphragm between two pipes . both sides are in vacuum but...

18 February 2021 8,075 3 View

I have a problem with sensible heat flux (H) iteration process in Sebal model?

In each iteration, I get the same value of H for different values of aerodynamic resistance and the temperature difference between two heights. Do the results make sense? Is it necessary to adjust...

07 February 2021 8,953 2 View

What is the best book to teach entrepreneurship to primary students?

07 September 2020 6,757 3 View

Which algorithm (Sobel, Perwitt, Roberts, Canny and LOG algorithm) is more capable of finding noisy image edges?

The edge detection algorithms are designed to respond to sharp edges which can be caused by noisy pixels. In image analysis edge detection plays an important role and it is one of the traditional...

05 August 2020 2,543 1 View

Internal pressure of CT scan x-ray vacuum insert ?

Hello,, Dose anyone know the internal pressure of x-ray vacuum insert used in CT scan machines? Thank you

03 August 2020 8,748 2 View

Which source do you advise to learn Ansys Fluent?

Dear Colleagues, I am currently working on a new project which needs to be modeled by ANSYS FLUENT. As you know, there are many sources including tutorials, online courses, books, etc. However, I...

11 July 2020 2,344 10 View

What is the best way of Evaluation Performance for Multiclass Data?

For classification problems, classifier performance is typically defined according to the confusion matrix associated with the classifier. Based on the entries of the matrix, it is possible to...

19 May 2020 3,472 4 View

Best EEG dataset for sleep stage classification?

I am looking for a best dataset with signals of EEG that is used for sleep stage classification.

12 May 2020 5,935 3 View

What are the public biosignals (ECG, etc) datasets of COVID-19 patients?

I am researching QOVI-19 and need a database that contains biosignal data such as electrocardiograms. Is there any dataset?

12 May 2020 9,274 3 View

How can I download FDA approved drugs from zinc database ?

Recently I want to download the FDA approved drugs but unfortunately I couldn't retrieve data correctly . How can I download this data in SDF format?

28 March 2020 3,785 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

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

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View