ASSESSOR ANALYST Flashcards
LOOKS AT GROUPS TO DETERMINE IF THEY ARE TREATED THE SAME (IE BY STYLE OF HOMES)
HORIZONTAL EQUITY
MEASURE OF VERTICAL EQUITY, MEAN/WEIGHTED MEAN
PRD
PRD BELOW ONE
LOW VALUE UNDER APPRAISED=PROGRESSIVITY
PRD ABOVE ONE
LOW VALUE OVER APPRAISED=REGRESSIVITY
MEASURES AMOUNT OF DISPERSION IN THE RATIOS, INDICATED DEGREE OF ACCURACY IN THE APPRAISED VALUES. AVERAGE SUM OF ABS, DEVIATION FROM THE MEDIAN
COD
STANDARD DEVIATION/MEAN
COV
MOST ACCURATE MEASURE OF % DEVIATION IN SALES PRICES EXPLAINED BY THE MODEL.
R SQUARE VALUE
RATIO OF THE REGRESSION COEFFICIENT TO ITS STANDARD ERROR (HIGHER THE RATIO, THE MORE SIGNIFICANT THE VARIABLE)
T VALUE
F VALUE IS SQUARE VALUE OF
T VALUE
DIFF BT ACTUAL AND PREDICTED SALES PRICES
RESIDUALS
MINIMIZES THE SQUARED ERRORS BT THE ACTUAL AND PREDICTED SALES PRICES
MRA
SEDGWICK COUNTY NUMBER OF MODELS
11
SEDGWICK COUNTY NUMBER OF SALES
12,000 A YEAR
SEDGWICK COUNTY TYPICAL STATS
R2 98%, STD ERROR OF 12% AND COV AROUND 8
NUMBER OF RES PROPERTIES
150K