[Retracted] Reforming the Teaching of Engineering Cost Budgeting Majors by Integrating VR and BIM Technology under the Internet of Things

Table 2

NN model sample training dataset.

Sample	Building area height X1	Building area X2	Standard floor area X3	Standard layer height X4	Number of ground floors X5	Basement height X6	Number of basement floors X7	Basement floor area X8	Duration X9	Total cost Y	Comprehensive unit price V1	Comprehensive unit price V2	Comprehensive unit price V3
1	28.5	16745	1679	3	8	4.2	1	1669	1765	18004000	312	408	390
2	55.1	16667	846	2.9	18	0	0	0	1562	23919084	330	430	370
3	78	9566	342	3	26	4	2	674	674	13460431	460	402	407
4	20.3	4509	644	2.9	7	0	0	0	644	5326227	500	425	392
5	64.9	21800	991	2.95	22	0	0	0	991	41715826	390	384	412
6	46.2	9111	527	3	15	4.2	1	1205	728	17722079	410	401	380
7	60	8600	373	3	19	3	4	1500	380	23048000	510	397	401
8	70.6	19133	736	2.9	26	3	2	1466	736	31565432	530	403	397
9	75.9	22884	815	2.9	26	3	2	1675	815	42754602	310	410	395
10	98.9	40885	1515	3.6	25	3.7	2	4356	2138	43227463	518	380	405