Can anyone suggest a site or provide a microarray dataset that can be used in classification and/or clustering?

More Mahmoud K Okasha's questions See All

Can any one help with the regmlogit function in reglogit library to estimate the parameters of the multinomial logistic regression model in R?

I tried to run the regmlogit function in the reglogit library to estimate the parameters of the multinomial logistic regression model in R but it keeps breaking and giving me the following message...

08 September 2015 6,722 0 View

Are p-values and significance tests still meaningful in census data analysis?

If a research has been conducted on a small population and data has been collected from approximately the entire study population; for instance using a survey covering nearly the entire study...

05 June 2014 9,180 18 View

Where can I find the derivation of the truncated Gamma density function and its moments?

I am looking for some references on the truncated Gamma density function that include its formula and moments with their proofs.

03 April 2014 3,758 11 View

Can anyone suggest a method to test the significance of the difference/change in odds ratios?

I estimated the parameters of two logistic regression models to describe a phenomenon in the same population using the same risk factors in two different years. I am interested to investigate the...

03 April 2014 1,143 9 View

Does anyone have a simple explanation of the Meijer G-function?

I am a statistician and have no idea about the Meijer G-function. I am looking for a simple explanation of this function in any book or reference paper.

03 April 2014 10,010 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