What exactly is the Copula technique? How is it performed for generating dependent data?

I am not from a statistical background and I am trying to generate dependent data that follows specific distribution. From what I read, it seems that Copulas are dependence functions that are...

06 July 2017 5,779 1 View

What is the advantage of using wavelets for network data statistical modelling?

Many researchers have opted for using wavelet transformation for data modelling. The data is transformed using wavelets, and the decomposed coefficients ( approximation and detail coefficients)...

03 April 2017 5,765 1 View

Is long range dependent time series data classified as non-stationary?

03 April 2017 4,717 15 View

Does normalizing data affect its statistical distribution?

05 June 2016 4,215 7 View

Why is each frame type in a video sequence fitted with a different statistical model?

Every paper I read about statistical modelling of video data frame size, packet level, investigates each frame type separately. That leads to assigning different statistical models for each frame...

05 June 2016 5,101 2 View

How do I use Cullen and Frey graph in data distribution fitting?

I am trying to find the best fit for my data. When I plot the Cullen & Frey graph, it shows that my data is closer to a gamma fitting. However when it is fitted, with several distributions,...

04 May 2016 4,034 7 View

How to get the parameters of Generalized Gamma distribution from my original data?

04 May 2016 1,862 2 View

What is the importance of local descriptors of video sequences?

Local descriptors are currently used for object/ action detection. Are there any other applications?

02 March 2015 1,031 2 View

How to mathematically express the probability density function of two related variables?

01 January 1970 6,180 10 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