An Alternative Statistical Model to Analysis Pearl Millet (Bajra) Yield in Province Punjab and Pakistan
Table 12
List of standard measurement units and other abbreviations.
Full names
Symbol/description
Half logistic exponential
HL-Exp
Nadarajah-Haghighi exponential
NH-Exp
Marshall-Olkin exponential
MO-Exp
Alpha power exponential
Alp-Exp
Exponential-exponential
Exp-Exp
Power function
PF
Exponential
Exp
Per acre, thousand tonnes
Per acre/000 tonnes
Anderson-darling test
AD = a test to detect the departure of sample distribution from normality
Kolmogorov-Smirnov test
K-S = a test to detect the departure of CDF from empirical CDF
Cramer-von mises test
CVM = a test to compare two empirical CDFs
Root mean square error
RMSE = a measure to describe data around the best fit line
Mean square error
MSE = a risk function, which measures the discrepancy between the estimated and real values
Bias
Bias = the term “bias” refers to a consistent departure from the true value. It is the discrepancy between the parameter’s actual value and its intended value
Variance
Var = the term “variance” refers to measuring how widely apart a group of numbers is from another
Average estimate
AE = a point estimate of a mean of an unknown distribution
