# Prediction Performance Metrics

## Documentation for package ‘metrica’ version 2.1.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

A B C D E F G H I J K L M N P R S T U V W X

## -- A --

AC | Ji and Gallo's Agreement Coefficient (AC)
accuracy | Accuracy
agf | Adjusted F-score
AUC_roc | Area Under the ROC Curve

## -- B --

B0_sma | Intercept of standardized major axis regression (SMA).
B1_sma | Slope of standardized major axis regression (SMA).
balacc | Balanced Accuracy
barley | Barley grain number
bland_altman_plot | Bland-Altman plot
bmi | Bookmaker Informedness

## -- C --

CCC | Concordance correlation coefficient (CCC)
chickpea | Chickpea dry mass
confusion_matrix | Confusion Matrix
csi | Critical Success Index | Jaccard's Index

## -- D --

d | Willmott's Index of Agreement (d)
d1 | Modified Index of Agreement (d1).
d1r | Refined Index of Agreement (d1).
dcorr | Distance Correlation
deltap | deltaP or Markedness
density_plot | Density plot of predicted and observed values
dor | Likelihood Ratios (Classification)

## -- E --

E1 | Absolute Model Efficiency (E1)
Erel | Relative Model Efficiency (Erel)
error_rate | Error rate

## -- F --

FDR | Precision | Positive Predictive Value
fmi | Fowlkes-Mallows Index
FNR | Recall | Sensitivity | True Positive Rate | Hit rate
FOR | Negative Predictive Value
FPR | Specificity | Selectivity | True Negative Rate
fscore | F-score

## -- G --

gmean | Geometric Mean

## -- H --

hitrate | Recall | Sensitivity | True Positive Rate | Hit rate

## -- I --

import_apsim_db | Import SQLite databases generated by APSIM NextGen
import_apsim_out | import_apsim_out
iqRMSE | Inter-Quartile Root Mean Squared Error

## -- J --

jaccardindex | Critical Success Index | Jaccard's Index
jindex | Bookmaker Informedness

## -- K --

KGE | Kling-Gupta Model Efficiency (KGE).
khat | K-hat (Cohen's Kappa Coefficient)

## -- L --

lambda | Duveiller's Agreement Coefficient
land_cover | Binary Land Cover Data
LCS | Lack of Correlation (LCS)
likelihood_ratios | Likelihood Ratios (Classification)

## -- M --

MAE | Mean Absolute Error (MAE)
maize_phenology | Multi Class Phenology
MAPE | Mean Absolute Percentage Error (MAPE)
MASE | Mean Absolute Scaled Error (MASE)
MBE | Mean Bias Error (MBE)
mcc | Matthews Correlation Coefficient | Phi Coefficient
metrics_summary | Prediction Performance Summary
MIC | Maximal Information Coefficient
mk | deltaP or Markedness
MLA | Mean Lack of Accuracy (MLA)
MLP | Mean Lack of Precision (MLP)
MSE | Mean Squared Error (MSE)

## -- N --

negLr | Likelihood Ratios (Classification)
npv | Negative Predictive Value
NSE | Nash-Sutcliffe Model Efficiency (NSE)

## -- P --

p4 | P4-metric
PAB | Percentage Additive Bias (PAB)
PBE | Percentage Bias Error (PBE).
phi_coef | Matthews Correlation Coefficient | Phi Coefficient
PLA | Percentage Lack of Accuracy (PLA)
PLP | Percentage Lack of Precision (PLP)
posLr | Likelihood Ratios (Classification)
PPB | Percentage Proportional Bias (PPB)
ppv | Precision | Positive Predictive Value
precision | Precision | Positive Predictive Value
preval | Prevalence
prevalence | Prevalence
preval_t | Prevalence

## -- R --

r | Sample Correlation Coefficient (r)
R2 | Coefficient of determination (R2).
RAC | Robinson's Agreement Coefficient (RAC).
RAE | Relative Absolute Error (RAE)
recall | Recall | Sensitivity | True Positive Rate | Hit rate
RMAE | Relative Mean Absolute Error (RMAE)
RMLA | Root Mean Lack of Accuracy (RMLA)
RMLP | Root Mean Lack of Precision (RMLP)
RMSE | Root Mean Squared Error (RMSE)
RRMSE | Relative Root Mean Squared Error (RMSE)
RSE | Relative Squared Error (RSE)
RSR | Root Mean Standard Deviation Ratio (RSR)
RSS | Residual Sum of Squares (RSS)

## -- S --

SB | Squared bias (SB)
scatter_plot | Scatter plot of predicted and observed values
SDSD | Squared difference between standard deviations (SDSD)
selectivity | Specificity | Selectivity | True Negative Rate
sensitivity | Recall | Sensitivity | True Positive Rate | Hit rate
SMAPE | Symmetric Mean Absolute Percentage Error (SMAPE).
sorghum | Sorghum grain number
specificity | Specificity | Selectivity | True Negative Rate

## -- T --

tiles_plot | Tiles plot of predicted and observed values
TNR | Specificity | Selectivity | True Negative Rate
TPR | Recall | Sensitivity | True Positive Rate | Hit rate
TSS | Total Sum of Squares (TSS)

## -- U --

Ub | Mean Bias Error Proportion (Ub)
Uc | Lack of Consistency (Uc)
Ue | Lack of Consistency (Ue)
uSD | Uncorrected Standard Deviation

## -- V --

var_u | Uncorrected Variance (var_u)

## -- W --

wheat | Wheat grain nitrogen

## -- X --

Xa | Accuracy Component (Xa) of CCC