24 March 2016 4 2K Report

Why would Asians find MOOCs recorded by Asians more catchy than European or American MOOCS? 

More Ayesha Perveen's questions See All
Can someone help me with this error that I am getting while estimating a VAR model in R?

I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...

18 February 2021 9,647 3 View

A three level hierarchical data structure in multilevel modelling, for multiple response question?

Im refering to Andy Field's example in his book Discovering statistics using SPSS, 3rd edition, page 728, where he gives an example of a data structure with level 1 variable is a memory recall...

26 December 2020 9,717 6 View

How to convert Unit/mL enzyme concentration to FPU/mL or FPU/g concentration?

Is there any conversion formula for this purpose.

06 December 2020 3,283 3 View

How many LED bulbs (warm light) will be required for algal growth?

We have 10 glass boxes with 6 inches width and 12 inches depth. How many LED bulbs or halogen lamps will be required to achieve irradiance of 150 umol/s/m2.

23 November 2020 9,414 4 View

What major hardships teachers are going through due to COVID-19?

Teaching Hardships during COVID-19 in 2020 Please highlight what type of hardships, difficulties you as a teacher going through during these trying times due to COVID-19 around the globe? Even...

05 November 2020 4,142 20 View

Anyone can share a test to measure the level of critical thinking skills in university students?

I am PhD scholar, intended to conduct an experimental research to develop critical thinking skills in prospective teachers. if any one developed a test measure please share with me. bests

26 October 2020 4,403 8 View

Please guide me that which theory will relate to the relationships of personality traits, optimism and somatic symptoms disorder?

I have to write the theoretical framework for the course project regarding the relationships of personality traits, optimism and somatic symptoms disorder? Can anybody guide me that which which...

20 October 2020 6,709 4 View

How to measure internal validation of multiple regression using a split-sample method with dichotomous variables?

I would like to validate a regression model using a 50-50 (or 80-20) split method. In my initial multiple regression I have entered all predictor variables using 'enter' technique. My sample size...

20 October 2020 2,849 5 View

Is it dangerous, if samples produce hydrogen gas inside muffle furnace at temperature around 300-400degree celcius?

Geopolymer, derived from flyash, NaOH, Al powder is required a heat treatment inside the muffle furnace. It may cause releasing hydrogen gas inside the furnace. Will it be explosive? or dangerous?...

11 July 2020 3,405 3 View

How the functionalization of AC, graphene and CNTs affect surface area and pore volume?

As we study that modification/functionalization of any carbon material affect its surface area and pore volume. In literature, sometimes the surface area decreases while in some it increases. I...

07 June 2020 4,783 8 View

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Why should we choose deep learning to machine learning? Why is CNN better for image classification? Can I get Typical Answer?

What Characteristics makes CNN work better?

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What are some of the research gaps in machine learning and artificial intelligence in africa?

i would to know some of the research gaps in the artificial intelligence field in most african countries.

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Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 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

Can you share me how teacher education is managed in your respective national educational system?

I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Hope I will learn something from your experiences.

02 March 2021 1,516 4 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

What is the difference between L1 and L2 regularization in machine learning?

L1 and L2 regularization

28 February 2021 4,187 3 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

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View

How can I represent SDS-PAGE results for machine learning analysis?

I am trying to classify and analyze the results of an SDS-PAGE based array for bacterial detection using machine learning, but I have trouble finding the best way to represent the results with...

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