Financial Risk Early Warning Based on Wireless Network Communication and the Optimal Fuzzy SVM Artificial Intelligence Model

Table 4

2015-2018 cash flow partial statement.

Report date	2018-12-31	2017-12-31	2016-12-31	2015-12-31
Net cash flow from operating activities	3.28	1.68	1.47	2.87
Net cash flows from investing activities	−0.74	−21.62	−10.58	−6.45
Absorb cash received from investment	2.84	15.11	11.12	8.92
Obtain the cash received from the loan	9.24	7.71	19.71	27.81