J. (2003). Calculation for the Sobel Test: An interactive calculation tool for mediation tests. Retrieved November, 2003, from the University of North Carolina at Chapel Hill, Department of Psychology Web site: http://www.unc.edu/~preacher/sobel/sobel.htm.Preacher, K., & Leonardelli, G. ...
摘要: The Sobel test works well only in large samples. We recommend using this test only if the userhas no access to raw data. SPSS and SAS procedures for estimating indirect effects in simplemediation models. Behavior Research Methods, Instruments, & Computers, 36, 717-731....
SI and TI are based on the Sobel filter, which is a simple edge detector. The Sobel filter is applied to the luminance channel of the input video, and the resulting values are aggregated to a single value. For a detailed calculation, see Annex B of ITU-T Rec. P.910 (10/2023) ...
Another, more accurate approach is the Parker–Youngs (PY) approximation [17,43], which assigns different weights to the gradient components, similar to a Sobel filter (We kindly note that [12] provides the weights in the wrong order.): n → PY : = − ∑ i = 1 26 w i e → i...
Runout on the test arbor ISO 10791-2 [30]: ○ L = 50 mm; measured value < 0.010 mm; ○ L = 300 mm; measured value < 0.020 mm. Size of clamping force: ○ According to the spindle manufacturer specification. Check of the spindle operating hours. The standard rules for the repeata...
In the bearing operation, the remaining useful life (RUL) of the bearing calculated as a difference between the expected bearing lifetime L10h and the operation time is an important parameter for the planning of the spindle service. However, the real earing lifetime limit depends on the real ...