Table 9.

Effect of the influence-constant, M, on reviewers' avg. error, avg. MSE, movie coverage and count of reviews (The scheme in Table 7 was used to update users’ weights).

Value of M	When experts were derived considering set-1 (Root set: 2314 Reviewers)				When experts were derived considering set-2 (Root set: 1000 Reviewers)
	No. of reviews made	No. of products covered	Avg. Error	Avg. MSE	No. of reviews made	No. of products covered	Avg. Error	Avg. MSE
0	3932	3910	0.019	0.009	2942	2913	0.027	0.015
25	5815	5694	0.023	0.013	6713	6653	0.034	0.024
50	9289	9136	0.032	0.020	9837	9726	0.042	0.032
75	10539	10296	0.037	0.024	11338	11155	0.046	0.038
100	10980	10730	0.039	0.026	11596	11406	0.047	0.040
200	16343	15942	0.048	0.036	13363	13148	0.050	0.045
300	17032	16620	0.050	0.039	13844	13604	0.051	0.047
400	18697	18252	0.052	0.043	14528	14244	0.053	0.049
500	18920	18454	0.054	0.045	14698	14405	0.054	0.050
1000	19216	18759	0.055	0.047	15440	15077	0.058	0.053
1500	19333	18848	0.057	0.049	15708	15327	0.060	0.056
2000	19333	18848	0.057	0.049	15708	15327	0.060	0.056
3000	19345	18834	0.057	0.048	15708	15327	0.060	0.056
5000	19794	19278	0.060	0.051	15708	15327	0.060	0.056
10000	20438	19840	0.061	0.053	15708	15327	0.060	0.056