Description Usage Arguments Value Examples
Fits curves to a wafer and returns the curve parameters and resulting cost for both forward and backwards curves. Wafers can be validated and transformed before fitting. Devices are fitted in parallel automatically.
1 2 3 4 5 6 7 8 9 10 | trans_device(wafer)
validate_device(wafer)
trans_filter_device(wafer, validate = validate_device, trans = trans_device,
verbose = TRUE)
fit_wafer(wafer, trans = trans_device, validate = validate_device,
cost_func = area_between_curves, dev_curve = curve_piecewise,
initparams = NULL, maxit = 1e+05, verbose = TRUE, plot = FALSE)
|
wafer |
Data from a single wafer |
validate |
(Optional) Wafer validate function |
trans |
(Optional) Wafer ransform function |
verbose |
(Optional) Print verbose output (Default: |
cost_func |
(Optional) Cost function |
dev_curve |
(Optional) Model device voltage curve |
initparams |
(Optional) Inital parameter estimation |
maxit |
(Optional) Maxiumum number of iterations for use in optimiser (Default: 10000) |
plot |
(Optional) Plot all devices and fitted curves (Default: |
A data.frame consisting of the fields:
Wafer ID
Each device on the wafer
The value of the cost function for each device
Whether the curve direction is forward or backward
The parameters characterising the curve
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