Cost Index Predictions for Construction Engineering Based on LSTM Neural Networks

Table 6

Effects of the time series lengths on the accuracy rates of the models.

Model	Time series length	Mean square error	Model accuracy (%)
M123-d3	3	2.27	98.95
M123-d5	5	1.03	99.29
M123-d7	7	1.10	99.22
M123-d10	10	0.88	99.33