Research on Optimization of Big Data Construction Engineering Quality Management Based on RNN-LSTM

Table 3

Missing value processing records.

Original record	Processing method	Processing results
Sand filling, ash adding	Complete records	Sand aerated block, ash adding block
GZ1	Complete records	Steel column 1
Short sleeve	Filter	Semantic ambiguity and inability to divide subdivisional projects
ApproachΦ8, Φ10 bale bar	Filter	The semantics is not clear, and the quality problem cannot be judged