Application of Extreme Gradient Boosting Based on Grey Relation Analysis for Prediction of Compressive Strength of Concrete

Table 1

Data source and number of data.

Author of data source	Year	Number of data
Liu et al. [16]	2018	12
Duan et al. [17]	2013	16
Sujjavanich et al. [18]	2017	55
Mermerdaş et al. [19]	2012	84
Güneyisi et al. [20]	2008	36
Yunfeng et al. [21]	2017	90
Ramezanianpour et al. [22]	2012	48
Shekarchi et al. [23]	2010	20
Shi et al. [24]	2015	18
Shannag et al. [25]	1995	32
Shafiq et al. [26]	2015	21
Khatib et al. [27]	2008	30
El-diadamony et al. [28]	2016	20
Güneyisi et al. [29]	2012	30
Perez-cortes et al. [30]	2019	14
Dinakar et al. [31]	2013	16
Poon et al. [1]	2001	28
Bilim et al. [8]	2009	30
Total		600