Applying Machine Learning : When not to go for ML/AI models?

Recently I came across the scenario, where the client team wanted to implement ML/AI models for a business problem. We ended up working with the client team, and arrived at a model (2 months of...

30 July 2018 7,746 10 View

Hi all, which software can measure porosity accurately in surface coatings. Could you please help me?

which software can measure porosity accurately in surface coatings?

30 October 2016 1,918 2 View

How to synthesize of Diphenylethylenediamine from benzaldehyde?

Hello there, Diphenylethylenediamine is generally synthesiszed by corey's method which is well known (Org. Synth.; Coll. Vol., 9, p. 387), but i'm unable able to perform the liquid ammonia/lithium...

10 August 2016 3,358 4 View

Can someone advise my confusion with the matrix result during a Weka tool - Cross validation approach?

I have 50 abnormal and 50 normal data set. I have set the classification process with 2 classifiers (LR and NB) and 10-cross validation. The tool gave a confusion matrix and performance metrics....

12 December 2015 5,060 3 View

Can I replace silver for abstracting halogens from alkyl halides?

24 November 2015 3,999 14 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

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 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

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

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View