z.stats: Summary statistics table for a correlation

In zFactor: Calculate the Compressibility Factor 'z' for Hydrocarbon Gases

Description

Get error summary statistics for any given compressibility correlation. A quick way to show an error summary between any of the indicated correlations and the Standing-Katz chart.

MSE: Mean Squared Error RMSE: Root Mean Squared Error RSS: Residual sum of Squares RMSLE: Root Mean Squared Logarithmic Error. Penalizes understimation. MAPE: Mean Absolute Percentage Error = AARE MPE: Mean Percentage error = ARE MAE: Mean Absolute Error

Usage

z.stats(correlation = "DAK", pprRange = "lp", interval = "coarse")

Arguments

correlation	identifier. Can be "HY", "DAK", "DPR" "N10", "SH"
pprRange	low (lp) or high (hp) chart area of the Standing-Katz chart
interval	quality of the Ppr scale. Coarse: every 1.0; Fine: every 0.5

Examples

## Not run: 
# error statistics for the Dranchuk-AbouKassem correlation
z.stats("DAK")

## End(Not run)

zFactor documentation built on Aug. 1, 2019, 5:04 p.m.