Ling Zhang

7 Questions 1 Answers 0 Followers

Questions related from Ling Zhang

Find Phd Opportunities and Consult research proposal revision opinions?

Academic Bg: Bachelor 74.89/100, South-Central Minzu University, Communication Engineering；Master 86.75/100, Hong Kong Baptist University, Data analytics and business economics, Entrance...

10 June 2023 8,034 2 View

How scholars assess different continues prediction models in their papers?

Can you explain it or recommend some papers? (1) For classification problem, we can use recall rate, precision rate and F1 score, AUC, balanced accuracy(although I don't know what is mean/ max...

07 May 2023 8,197 2 View

What is the difference between feature importance in SEM and machine learning?

both SEM and machine learning algorithm could do feature importance work and give these variables a ranking, but what are the difference?

15 April 2023 4,398 2 View

Why do scholars choose ANN combined with SEM instead of other machine learning algorithms?

they use structural equation model to research relationship among latent variables or do path analysis, then quickly use ANN to rank feature importance or compare this result to SEM(PLS-SEM). So...

15 April 2023 7,897 0 View

What are the differences between these 2 combination: SEM-ANN & ANN-shapley?

SEM-ANN uses SEM to do feature selection before using ANN and let ANN is easy to be interpreted finally. Another way is using all features then use shapley value to interpret. What are the...

09 April 2023 4,242 2 View

How to evaluate different numerical prediction model?

There are lots of metrics such r-square, MSE, MAE, MAPE and others. Some paper use r-square combining RMSE, some use EVS+MAPE+t-test+NSE, so if I want to evaluate a price prediction model or a...

01 January 1970 7,974 2 View

The underlying logic of SEM-ANN collocation? Two questions about it, could anyone help answer it, so confuse about it.

I am a new guy to self-study SEM in marketing for preparing Phd application, but I am major in data analytics and didn't learn any MKT knowledge before. After reading some papers,, based on my...

01 January 1970 9,093 0 View