PROVIDE Project Technical Paper 2005:1
difficult to interpret. In order to evaluate the relative differences - i.e. the percentage by
which income is over- or underreported with respect to total expenditure - variable diffp is
created. This variable ranges from -100% (where totinc is zero and totexp positive) and a
rather substantial 8,509.8%. This variable is also highly skewed to the right (see Figure 11).
February 2005
. sum diff, detail
Figure 10: Distribution of the difference between income and expenditure (variable diff)
-10000 -8000 -6000 -4000 -2000 0 2000 4000 6000 8000 10000
diff
diff
|
Percentiles |
Smallest -5861002 -2383134 -1777605 -909550 |
Obs Sum of Wgt. |
26215 26215 | |
|
1% 5% 10% 25% |
-68783.84 -14883.78 -6417 -987.1641 | |||
|
50% |
529 |
Mean |
1711.209 | |
|
Largest |
Std. Dev. |
75058.32 | ||
|
75% |
2468 |
2902067 | ||
|
90% |
9140.105 |
3198446 |
Variance |
5.63e+09 |
|
95% |
19135 |
3695809 |
Skewness |
7.326016 |
|
99% |
78539.17 |
5495151 |
Kurtosis |
3066.211 |
Note: Only values between -10000 and 10000 included in the graph. The vertical lines represent (from left to
right) the 10th, 25th, 50th, 75th and 90th percentiles of variable diff.
diffp
|
1% 5% 10% 25% |
Percentiles -97.3604 -52.92025 -26.82177 -5.802562 |
Smallest -100 -100 -100 -100 |
Obs Sum of Wgt. |
26215 26215 |
|
50% |
4.914149 |
Mean |
19.41118 | |
|
Largest |
Std. Dev. |
112.9211 | ||
|
75% |
20.33355 |
3045.161 |
54
© PROVIDE Project
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