Retraction notice: Cost prediction of building projects using the novel hybrid RA-ANN model

The publisher of Engineering, Construction and Architectural Management wishes to retract the article; Wang, Y., Zuo, J., Pan, M., Tu, B., Chang, R.-D., Liu, S., Xiong, F. and Dong, N. (2024), “Cost prediction of building projects using the novel hybrid RA-ANN model”, Engineering, Construction and Architectural Management, Vol. 31 No. 6, pp. 2563-2582, https://doi.org/10.1108/ECAM-07-2022-0666. It has come to our attention that there are concerns with the data used, specifically that the journal was not able to replicate the results of the analyses described; as a result the findings cannot be relied on. The authors of this article would like to note that they do not agree with the content of this notice. The publisher of the journal sincerely apologizes to the readers.