Table 1 

A summary and description of terms^{a} 

Label 
Type 
Description 
Range/value 
Eq. 


x_{1} 
Variable 
Type of moving window 
Integer (1,..,3) 
4 
x_{2} 
Variable 
Longterm Max/min/variance relative to mean 
Sample (0,..,1), Prob (1,..,6)5^{1} 
4 
x_{3} 
Variable 
Length of moving window 
Integer (2,..,20) 
4 
x_{4} 
Variable 
Gaussian or flat moving windows 
Factor (True/False) 
4,6,7 
x_{5} 
Variable 
Standard deviation of Gaussian moving functions 
Uniform (0,4) 
4,6,7 
x_{6} 
Variable 
Length of moving window 
Integer (2,..,10) 
4 
x_{7} 
Variable 
Gaussian or flat moving windows 
Factor (True/False) 
4,6 
x_{8} 
Variable 
Time lag for model variable 
Integer (2,..,0) 
4 
x_{9} 
Variable 
Length of moving window 
Integer (0,..,4) 
5 
x_{10} 
Variable 
Type of moving window 
Integer (1,..,3) 
6 
x_{11} 
Variable 
Longterm Max/min/variance relative to mean 
Uniform (0,..,1) 
6 
x_{12} 
Variable 
Length of moving window 
Integer (2,..,20) 
6 
x_{13} 
Variable 
Length of moving window 
Integer (2,..,10) 
6 
x_{14} 
Variable 
Time lag 
Integer (2,..,0) 
6 
x_{15} 
Variable 
Length of moving window 
Integer (1,..,10) 
7 
x_{16} 
Variable 
Max df used by interaction term smooth function 
Integer (4,..,10) 
8 
x_{17} 
Variable 
Max df used by singlevariable smooth function 
Integer (3,..,5) 
8 
T 
Data 
Composite treering index; annual, normalized 
AD 686  2000 
3,4 
S 
Data 
Isotope proxy monsoon index; normalized semiannual 
AD 450  2000 
1,5,6 
G_{dec} 
Data 
Glacial accumulation; normalized, decadal, interpolated to annual 
AD 450  2000 
1,7 
G_{ann} 
Data 
Glacial accumulation; normalized, annual 
AD 1690  2000 
7 
O 
Data 
Proportion of gerbil burrows occupied in the PreBalkhash focus 
AD 1949  1995 
2 
A 
Data 
Number of gerbil burrows per hectare in the PreBalkhash focus 
AD 1949  1995 
2 
C 
Data 
Number of gerbils per burrow in the PreBalkhash focus 
AD 1949  1995 
2 
E 
Data 
Number of gerbils examined for plague in the PreBalkhash focus 
AD 1949  1995 
2 
B 
Data 
Number of examined gerbils having plague infection 
AD 1949  1995 
2 
P 
Data 
Abundance of sylvatic plague in PreBalkhash, Kazakhstan. 
AD 1949  1995 
2,8 
Estimate 
Estimated (fitted) values of P for each iteration i of eq. 8. 
AD 4502000 

d 
Data 
Presence/absence plague control 
AD 450  2000 
10 
H 
Data 
Reported number of human plague cases from Kazakhstan 
AD 1904  1995 
10 
Y 
Estimate 
Average predicted sylvatic plague level 
AD 4502000 
9,10 
NDVI 
Data 
Normalized Differentiated Vegetation Index 
AD 1982 to 1998 

D 
Estimate 
Correlation coefficients for the relationships between and H 
AD 19041948 

W 
Data 
The index of conflict between Han Chinese and Central Asian pastoralists [38] 
AD 4501700 



^{a}For x_{1.17}, the ranges from which new values were drawn under model construction are given. 

Kausrud et al. BMC Biology 2010 8:112 doi:10.1186/174170078112 