dummy variable


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dummy variable

[¦dəm·ē ′ver·ē·ə·bəl]
(mathematics)
A variable which has no true mathematical significance and is used only to facilitate notation; usually a variable which is integrated over.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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TABLE 1 Variable Definitions and Descriptive Statistics Variables Definition clm A dummy variable that equals 1 if the insured has already filed a claim, and 0 otherwise.
The main independent variable of the study corresponds to the lock-up period, which was measured in three different ways: i) in its scalar form (in days), ranging from 0 to 999; ii) considered as a dummy variable, i.e., funds that establish some lock-up period take the value of 1 for this variable, and funds that do not restrict the liquidity of shareholders take the value of 0; and iii) as the natural logarithm of its form in days (since the variable has the smallest value zero, we add 1 to the original variable and calculate its natural logarithm).
In model (3), we find that the coefficient on the interaction term between the dummy variable for government directors and the number of director's board seats is positive and significant, indicating that the probability of missing more than 25% of board meetings is higher when government directors have more board seats in other firms.
(7) In this set, only the dummy variable for RTA is potentially time variant (if a country joins or leaves an RTA during the sample period).
Name Description Nonregulatory attributes ASC Alternative specific constant (dummy variable): 1 = Choice C (nonfishing alternative selected); 0 otherwise PRIV Dummy variable for private boat trip (vs.
[Payment.sub.i] = the payment method dummy variable; if the M&A transaction is financed by Cash+Mix, it equals 1, and if the M&A transaction is financed by Common Stock Only, it equals 0;
LT = dummy variable: 1 for a literate person, and 0 otherwise.
A Probit model is used because the restatement dependent variable is a dummy variable (binary) (Imai et al.
In the empirical analysis, we measure tough love by creating a dummy variable (TL).
Exhibit 2 Explanatory Variables: Definitions and Expected Signs Variable Definition Expected Sign FLOOR the unit's floor level in the building (discrete + variable) GFA the gross floor area of the unit in square feet + (continuous variable) AGE the age of the building concerned (continuous - variable) D1 a dummy variable for a flat facing east; value + equal to 1 if faces east; 0 otherwise D2 a dummy variable for a flat facing south; value + equal to 1 if faces south; 0 otherwise D3 a dummy variable for a flat facing west; value - equal to 1 if faces west; 0 otherwise TIME a dummy variable delineating whether the subject ?