input: [Description] The ratio of efferent coupling (Ce) to total coupling (Ce / (Ce + Ca)). This metric is an indicator of the package's resilience to change. The range for this metric is 0 to 1, with I=0 indicating a completely stable package and I=1 indicating a completely instable package. [Term] 
output: Instability
options: N u m b e r o f C l a s s e s
options: A f f e r e n t C o u p l i n g s
options: E f f e r e n t C o u p l i n g s
options: A b s t r a c t n e s s
options: I n s t a b i l i t y
options: D i s t a n c e
options: C y c l e s