I want to know how to calculate frequencies?

More Safia A. Messaoudi's questions See All

Hello, I need help to separate the mucilage found in an aqueous extract ?

During the process of aqueous extraction of phenolic compounds, I got a mucilage that must be separated from the extract that I would like to study. Thank you for your help.

03 January 2021 1,765 3 View

Can language alter our perception of crime?

I am looking for any resources which may be useful in a study I am conducting on the impacts that language may have on our perception of crimes. I will be using headlines which convey a particular...

23 December 2020 8,713 6 View

University's role in the socio-economic development of the country?

Does the university have an effective role in the socio-economic development of the country? It's much more academic than open to job creation for young graduates. What do you think? Safia Taleb

23 September 2020 8,637 13 View

Could you collaborate, please?

Hello everyone! I've developed a 35-item questionnaire to measure ESP students' critical reading strategies awareness while reading materials in English (as part of my Ph.D. research). Now, I need...

27 June 2020 2,484 3 View

What are the scientific publisher and the database (Scopus and ISI)?

Hey, please, can anyone provide an explanation to me what is the scientific publisher in the worldwide and tell me how many they are and named them? Based on what they are rated? Also, what is...

04 September 2019 4,105 2 View

How can i deal with missing value by using GBM in R?

I have time series data for 10 years ( hourly, daily, monthly ) for different variables , i have large numbers of missing data which are not random missing so how can i apply GBM or linear...

14 June 2019 2,090 4 View

Is there a database for miRNA of cancers?

I am searching for miRNA database that contains the nucleotide sequences of cancers in the human genome. I have found a database that characterizes the samples by the number of reads_per_millio...

07 March 2019 9,628 3 View

Is there a database for C.elegans RNA?

I wish to locate miRNA in C.elegans based on the signal processing tools; so i have to know the RNA sequences of the entire chromosomes. I would appreciate all the help I can get, thanks.

28 January 2018 9,958 4 View

I want to know the units of weight and volume that i have to put to get a concentration of 100 % of the aqueous extracts?

I have to prepare aqueous extracts from the plant powder and I wanted to know the weight of the powder that I have to mix with the volume of distilled water to have a concentration of 100%.

04 November 2017 7,872 2 View

I have data from XRD test for two types of soil. How can I analyze these data?

These data are one of them (attached file)

05 June 2016 6,589 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Tejas Bosamia

You can use genAlEx 6.5 tool.

it is very easy to operate.

All the best.

Safia A. Messaoudi

thank you Mr Tejas, but I mean in case of insertion of allele have I to remove this patient from the data or what???

i am not getting your question

Media Murad

you can use genepop online software

http://genepop.curtin.edu.au/

regards.

Mothana Ali Khalil

nice