Quality assessment framework for proxy indicators using monotonicity, information content, responsiveness, dispersion, stagnation, ceiling effect, and stability metrics.
# install.packages("devtools")
devtools::install_github("username/senseR")
library(senseR)
set.seed(42)
df <- data.frame(
gdp = rnorm(50, 100, 10),
ntl = rnorm(50, 50, 5) #ntl is nightime light index from Google Earth Engine (GEE)
)
senser(df, proxy = "ntl", target = "gdp") #English explanation by default
The composite score integrates: (1) Spearman monotonicity; (2) R-squared information content; (3) Elasticity responsiveness; (4) Coefficient of variation; (5) Absolute change; (6) Ceiling effect; and (7) Beta stability.
The methodological foundation of senseR is based on established statistical and econometric literature:
Spearman, C. (1904). The proof and measurement of association between two things. American Journal of Psychology, 15(1), 72–101. https://doi.org/10.2307/1412159
Cohen, J. (1988). Statistical Power Analysis for the Behavioral Sciences (2nd ed.). Lawrence Erlbaum Associates.
Wooldridge, J. M. (2013). Introductory Econometrics: A Modern Approach (5th ed.). South-Western Cengage Learning.
OECD (2008). Handbook on Constructing Composite Indicators: Methodology and User Guide. OECD Publishing. https://doi.org/10.1787/9789264043466-en
Hamilton, J. D. (1994). Time Series Analysis. Princeton University Press.
Chow, G. C. (1960). Tests of equality between sets of coefficients in two linear regressions. Econometrica, 28(3), 591–605. https://doi.org/10.2307/1910133
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