The Impact of Online Media Big Data on Firm Performance: Based on Grey Relation Entropy Method

Table 1

The summary statistics of the variables for GREM.

Category	Variables	Mean	Std. dev.	Min	Max
A01	ROAt	0.033	0.069	−0.453	0.189
A02	ROEt	0.052	0.146	−1.067	0.243
A03	ROAt+1	0.023	0.121	−0.927	0.168
A04	ROEt+1	0.039	0.210	−1.433	0.248
A1	Salience	161.029	137.830	1.000	656.000
A2	Positive (total)	157.804	149.220	0.000	631.000
A3	Positive (original)	47.029	46.525	0.000	216.000
A4	Negative (total)	143.990	219.920	3.000	1588.000
A5	Negative (original)	33.549	42.166	2.000	187.000
A6	Tenor	0.057	0.154	−0.563	0.423