Fig. 7 | Scientific Reports

Fig. 7

From: Salt rock creep deformation forecasting using deep neural networks and analytical models for subsurface energy storage applications

Fig. 7

An example of a time series for axial strain data is a causality test with different statistical tools such as (a) granger test, (b) granger test with increases lags more data points below or lies at significant levels (p-value less than 0.05), (c) ADF test for stationarily or non-stationary, and (d) WCP respectively at confining pressure condition of 5 MPa.

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