Can number of people at risk (Ni) at time ti is allowed to increase during study in survival analysis?

05 June 2017 2,966 3 View

How predictive analytics is being used in revolutionizing education?

Hello everyone,I would like to know that that how predictive analytics is one of the most trending tech in education to change the education? Is there any good article/paper available , describing...

06 July 2016 1,118 0 View

What are the tools and packages/softwares available for estimating probabilistic knowledge structure?

09 October 2015 1,026 0 View

Debugging a c++ compiled code used in R functions?

08 September 2015 4,200 1 View

Is there any converter which converts R code to C# code?

04 May 2015 1,355 1 View

An alternative for scatter plot?

Are there any other ways than scatter plot to visually represent the relationship between x and y?Thanking you,Irshad

11 December 2014 4,404 5 View

Are there any other methods (other than imputation) to calculate the item fit analysis in the presence of sparse data?

I am using mirt (an R-package) for the IRT( Item Response Theory) analysis. Current data, I am dealing with is sparse (contains missing value). Responses are missing because the test is adaptive....

08 September 2014 1,269 3 View

Multidimensional IRT commercial software

Hello everyone,Are there any commercial software available for multidimensional adaptive testing (which include calibration of items, ability estimation and next item selection procedures) ? If...

08 September 2014 3,243 4 View

Is there any harm treating binary data as percentage data by grouping it?

Hello, I am working on a regression problem where I have to estimate the percentage of acceptance of an offer. Although my dependent variable is categorical one. ( I tired to fit the logistic but...

01 January 1970 4,065 4 View

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?

03 March 2021 1,458 4 View

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.

03 March 2021 6,145 3 View

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

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 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