Data Mining of the Thermal Performance of Cool-Pipes in Massive Concrete via In Situ Monitoring

Figure 10

Mean squared errors of different parameter combinations.

(a) 𝜀=0.1(HDPE) for the training data set

(b) 𝜀=0.1(HDPE) for the testing data set

(c) 𝜀=0.001(HDPE) for the training data set

(d) 𝜀=0.001(HDPE) for the testing data set

(e) 𝜀=0.1(iron pipes) for the training data set

(f) 𝜀=0.1(iron pipes) for the testing data set

(g) 𝜀=0.001(iron pipes) for the training data set

(h) 𝜀=0.001(iron pipes) for the testing data set