Multivariate curve fitting for the analysis of short members as the basis for structural grading

In this study, multiple linear regression and multiple nonlinear regression methods were investigated and the most suitable multiple curve fitting method was selected according to the detailed analysis of short elements such as bamboo. The relationship between the physical properties of bamboo, compressive strength and ultimate tensile load was observed and multiple regression methods were applied on them. As a result, multiple linear regression method was determined as the most suitable method. In addition, the number of bamboos used for testing purposes has been reduced and economic savings have been achieved with the protection policy.