How to check statistically whether two or more variables can be combined into one derived variable?

I have scenario where, It needs to decide whether we can combine two or more variables to form single derived variable. for example: if we have 100 samples of distance traveled and time taken to...

31 December 2018 1,934 55 View

What is Eigen Values and Eigen Vectors for Data Science? How important it is for Data Understanding?

Can Eigen value and Eigen vector be explained in terms of its use in Data Science. How it can be described in layman's terms to normal amateur in this field? Any help in terms of applications,...

06 July 2018 4,624 12 View

What if the statistical correlation does not speak exact knowledge or theory as business/ domain says?

I meant to say that if we take correlation of two variables then it gives contradictory results to the domain understanding of those two variables. How to explain this from data side of the...

05 June 2018 2,318 3 View

How to apply statistical model in scenarios where dependent/response variable is not defined/labeled?

I have a scenario where many people are using a software and while utilizing they are assigned values between 0 to 1 based on their good or bad usage. e.g. good use would provide value to "usage"...

02 March 2018 9,410 5 View

What machine learning algorithms are used to get the summary of the conversation text?

While developing a summarization algorithm, which algorithms are used and how to provide more weight to domain related terms in the process so that summary should contain those terms keeping the...

02 March 2018 2,713 1 View

What type of analytics is used by call center companies to improve the business?

What type of models, analytics, data science is used by call center companies where the large number of calls are made everyday. Does it involves audio analytics or speech to text conversion and...

02 March 2018 8,703 4 View

Are you all really convinced for the adaption of Artificial Intelligence for future?

"The AI Takeover Is Coming" this is what is the news these days. Is it really a trend setter for future years. What is the impact over manual work due to this? just needed the audience thoughts...

07 August 2017 6,375 37 View

What are the common steps involved in text analytics projects?

If i have to get the most possible generic steps of text analytics, what are the most commonly used steps for any text analysis model. Any help and your expert guidance/ suggestions are...

07 August 2017 3,910 9 View

How do you know that a model is over fitted by the Linear Regression? Once identified how to fix it?

In data science, specifically in predictive use cases, I have seen application of Linear Regression plays bigger role. Most of the predictive problems undergo this method knowingly or unknowingly...

03 April 2017 6,202 6 View

What is the relationship between the Data Science, Machine Learning and Big Data?

As per my understanding all the three fields i.e. Data Science, Machine Learning and Big Data are interrelated. I just wanted to clear the boundaries of these three fields. Please share your views...

31 December 2015 1,744 11 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 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

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

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 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