deficiency index

deficiency index

[də′fish·ən·sē ‚in‚deks]
(mathematics)
For a curve or equation involving two complex variables this is the genus of the Riemann surface associated to the equation.
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Assume that system (20) has the maximal deficiency index [N.sub.+] = n and let [m.sub._] = n-[N.sub._].
We next collapse these English skill categories into an English deficiency index to be used in our analyses:
TABLE II English Deficiency Index of Hispanic Workers in the 1980 and 1990 PUMS English Skill Category Coefficient Standard Error Only speaks English at home 0.000 - Speaks English "very well" 0.107 0.024 Speaks English "well" 0.392 0.037 Speaks English "not well" 0.856 0.062 No English is spoken 1.000 - Notes: Only the Hispanic sample is used to estimate this index.
To test whether gender influences the earnings penalty associated with poor English skills, we use the English deficiency index from above and estimate:
Table 1: Abundance and deficiency indexes of available phosphorus of different extraction methods
P Fertilizer Recommended Abundance and Deficiency Indexes of Soil Soil-test P of Different Extraction Methods
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