All variables in unionT.dta
| Variable |
Graph |
Type |
N |
Descriptives |
Label |
[+]
age
@unionT.dta |
|
other
(byte)
|
26200
(31)
|
(x̄=30.432, 6.489) [16,46] |
age in current year
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
31 |
| class |
other |
| example0 |
20 |
| histh |
.00022392, .00184733, .016514, .03286005, .041257, .04651909, .0503257, .06157761, .07165395, .07120611, .07120611, .06695165, .06488041, .0693028, .06611196, .06885497, .06818321, .07853944, .0750687, .07977099, .07137404, .06062596, .05564377, .04870229, .03773028, .03230026, .0217201, .01808142, .01270738, .00481425, .00011196 |
| histw |
16.34091, 17.022728, 17.704546, 19.068182, 19.75, 21.113636, 21.795454, 23.15909, 23.84091, 25.204546, 25.886364, 27.25, 27.931818, 29.295454, 29.977272, 31.34091, 32.022728, 32.704544, 34.06818, 34.75, 36.113636, 36.795456, 38.159092, 38.840908, 40.204544, 40.886364, 42.25, 42.93182, 44.295456, 44.977272, 45.659092 |
| label |
age in current year |
| max |
46 |
| mean |
30.432 |
| min |
16 |
| sd |
6.489 |
| type |
byte |
Estimations and Descriptive Statistics with age
| file |
# |
command |
|
ch5.01.do:
|
20 [+]
|
ttest
age
, by(union)
All properties
| key |
content |
| command |
ttest |
| indent |
0 |
| options |
by(union) |
| parameters |
age |
|
Data Manipulations with age
| file |
# |
command |
-
-
Script Output
age: age in current year Number of Observations
------------------------- ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # # # Zero - - -
| # # # Positive 26200 26200 -
| # # # ----- ----- -----
| # # # # Total 26200 26200 -
| # # # # # Missing -
+---------------------- -----
16 46 26200
(31 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
age | 26200 30.43221 6.489056 16 46
@mean 30.432
@sd 6.489
@min 16
@max 46
@example0 20
@histh .00022392, .00184733, .016514, .03286005, .041257, .04651909, .0503257, .06157761, .07165395, .07120611, .07120611, .06695165, .06488041, .0693028, .06611196, .06885497, .06818321, .07853944, .0750687, .07977099, .07137404, .06062596, .05564377, .04870229, .03773028, .03230026, .0217201, .01808142, .01270738, .00481425, .00011196
@histw 16.34091, 17.022728, 17.704546, 19.068182, 19.75, 21.113636, 21.795454, 23.15909, 23.84091, 25.204546, 25.886364, 27.25, 27.931818, 29.295454, 29.977272, 31.34091, 32.022728, 32.704544, 34.06818, 34.75, 36.113636, 36.795456, 38.159092, 38.840908, 40.204544, 40.886364, 42.25, 42.93182, 44.295456, 44.977272, 45.659092
@type byte
@label age in current year
@class other
@N_unique 31
@N 26200
|
[+]
black
@unionT.dta |
|
dummy
(byte)
|
26200
(2)
|
"0", "1"
|
race black |
All properties
| key |
content |
| N |
26200 |
| N_unique |
2 |
| class |
dummy |
| freq |
19007, 7193 |
| label |
race black |
| max |
1 |
| mean |
0.275 |
| min |
0 |
| names |
"0", "1" |
| sd |
0.446 |
| type |
byte |
| values |
0, 1 |
Data Manipulations with black
| file |
# |
command |
-
-
Script Output
black: race black Number of Observations
------------------ ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # Zero 19007 19007 -
| # Positive 7193 7193 -
| # ----- ----- -----
| # # Total 26200 26200 -
| # # Missing -
+---------------------- -----
0 1 26200
(2 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
black | 26200 .274542 .4462917 0 1
@mean 0.275
@sd 0.446
@min 0
@max 1
@values 0, 1
@names "0", "1"
@freq 19007, 7193
@type byte
@label race black
@class dummy
@N_unique 2
@N 26200
|
[+]
grade
@unionT.dta |
|
category
(byte)
|
26200
(19)
|
"0", "1", "2", "3", "4", "5", "6"..16", "17", "18"
|
current grade completed
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
19 |
| class |
category |
| freq |
33, 5, 7, 2, 31, 31, 127, 218, 536, 786, 1189, 1533, 12145, 1791, 1762, 1030, 3024, 982, 968 |
| label |
current grade completed |
| max |
18 |
| mean |
12.761 |
| min |
0 |
| names |
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18" |
| sd |
2.412 |
| type |
byte |
| values |
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 |
-
-
Script Output
grade: current grade completed Number of Observations
------------------------------- ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # Zero 33 33 -
| # Positive 26167 26167 -
| # ----- ----- -----
| # # Total 26200 26200 -
| . . . # # Missing -
+---------------------- -----
0 18 26200
(19 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
grade | 26200 12.76145 2.411715 0 18
@mean 12.761
@sd 2.412
@min 0
@max 18
@values 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
@names "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18"
@freq 33, 5, 7, 2, 31, 31, 127, 218, 536, 786, 1189, 1533, 12145, 1791, 1762, 1030, 3024, 982, 968
@type byte
@label current grade completed
@class category
@N_unique 19
@N 26200
|
[+]
idcode
@unionT.dta |
|
other
(int)
|
26200
(.)
|
(x̄=2611.582, 1484.994) [1,5159] |
NLS id
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
. |
| class |
other |
| example0 |
1 |
| histh |
.00018331, .00019112, .00019405, .00020349, .00017582, .00014293, .00018819, .0001934, .00023898, .00020838, .00016182, .00013805, .00017549, .00018168, .00021098, .00021782, .00019568, .00019568, .00022726, .00019861, .00019763, .00019633, .00016019, .00019307, .0001947, .00020577, .0002087, .00020935, .00021456, .0002048, .00016572, .00018721, .00020056, .00016149, .00018559, .00018363, .00019535, .00022466, .00022694, .00020447, .00018949, .00021391, .00020219, .00018135 |
| histw |
59.613636, 176.84091, 294.06818, 411.29544, 528.52271, 645.75, 762.97729, 880.20453, 997.43182, 1114.6591, 1231.8864, 1349.1136, 1466.3409, 1583.5682, 1700.7954, 1818.0227, 1935.25, 2052.4773, 2169.7046, 2286.9319, 2404.1592, 2521.3865, 2638.6135, 2755.8408, 2873.0681, 2990.2954, 3107.5227, 3224.75, 3341.9773, 3459.2046, 3576.4319, 3693.6592, 3810.8865, 3928.1135, 4045.3408, 4162.5684, 4279.7954, 4397.0229, 4514.25, 4631.4771, 4748.7046, 4865.9316, 4983.1592, 5100.3862 |
| label |
NLS id |
| max |
5159 |
| mean |
2611.582 |
| min |
1 |
| sd |
1484.994 |
| type |
int |
Data Manipulations with idcode
| file |
# |
command |
-
-
Script Output
idcode: NLS id Number of Observations
--------------- ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # # # # # Zero - - -
| # # # # # Positive 26200 26200 -
| # # # # # ----- ----- -----
| # # # # # Total 26200 26200 -
| # # # # # Missing -
+---------------------- -----
1 5159 26200
(More than 99 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
idcode | 26200 2611.582 1484.994 1 5159
@mean 2611.582
@sd 1484.994
@min 1
@max 5159
@example0 1
@histh .00018331, .00019112, .00019405, .00020349, .00017582, .00014293, .00018819, .0001934, .00023898, .00020838, .00016182, .00013805, .00017549, .00018168, .00021098, .00021782, .00019568, .00019568, .00022726, .00019861, .00019763, .00019633, .00016019, .00019307, .0001947, .00020577, .0002087, .00020935, .00021456, .0002048, .00016572, .00018721, .00020056, .00016149, .00018559, .00018363, .00019535, .00022466, .00022694, .00020447, .00018949, .00021391, .00020219, .00018135
@histw 59.613636, 176.84091, 294.06818, 411.29544, 528.52271, 645.75, 762.97729, 880.20453, 997.43182, 1114.6591, 1231.8864, 1349.1136, 1466.3409, 1583.5682, 1700.7954, 1818.0227, 1935.25, 2052.4773, 2169.7046, 2286.9319, 2404.1592, 2521.3865, 2638.6135, 2755.8408, 2873.0681, 2990.2954, 3107.5227, 3224.75, 3341.9773, 3459.2046, 3576.4319, 3693.6592, 3810.8865, 3928.1135, 4045.3408, 4162.5684, 4279.7954, 4397.0229, 4514.25, 4631.4771, 4748.7046, 4865.9316, 4983.1592, 5100.3862
@type int
@label NLS id
@class other
@N_unique .
@N 26200
|
[+]
not_smsa
@unionT.dta |
|
dummy
(byte)
|
26200
(2)
|
"0", "1"
|
1 if not SMSA
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
2 |
| class |
dummy |
| freq |
18767, 7433 |
| label |
1 if not SMSA |
| max |
1 |
| mean |
0.284 |
| min |
0 |
| names |
"0", "1" |
| sd |
0.451 |
| type |
byte |
| values |
0, 1 |
Data Manipulations with not_smsa
| file |
# |
command |
-
-
Script Output
not_smsa: 1 if not SMSA Number of Observations
------------------------ ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # Zero 18767 18767 -
| # Positive 7433 7433 -
| # ----- ----- -----
| # # Total 26200 26200 -
| # # Missing -
+---------------------- -----
0 1 26200
(2 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
not_smsa | 26200 .2837023 .4508027 0 1
@mean 0.284
@sd 0.451
@min 0
@max 1
@values 0, 1
@names "0", "1"
@freq 18767, 7433
@type byte
@label 1 if not SMSA
@class dummy
@N_unique 2
@N 26200
|
[+]
south
@unionT.dta |
|
dummy
(byte)
|
26200
(2)
|
"0", "1"
|
1 if south
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
2 |
| class |
dummy |
| freq |
15379, 10821 |
| label |
1 if south |
| max |
1 |
| mean |
0.413 |
| min |
0 |
| names |
"0", "1" |
| sd |
0.492 |
| type |
byte |
| values |
0, 1 |
Data Manipulations with south
| file |
# |
command |
-
-
Script Output
south: 1 if south Number of Observations
------------------ ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # Zero 15379 15379 -
| # # Positive 10821 10821 -
| # # ----- ----- -----
| # # Total 26200 26200 -
| # # Missing -
+---------------------- -----
0 1 26200
(2 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
south | 26200 .4130153 .4923849 0 1
@mean 0.413
@sd 0.492
@min 0
@max 1
@values 0, 1
@names "0", "1"
@freq 15379, 10821
@type byte
@label 1 if south
@class dummy
@N_unique 2
@N 26200
|
[+]
southXt
@unionT.dta |
|
category
(byte)
|
26200
(12)
|
"0", "1", "2", "3", "7", "8", "10..15", "17", "18"
|
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
12 |
| class |
category |
| freq |
16008, 690, 778, 826, 1121, 866, 858, 1046, 934, 1018, 1052, 1003 |
| max |
18 |
| mean |
3.969 |
| min |
0 |
| names |
"0", "1", "2", "3", "7", "8", "10", "12", "13", "15", "17", "18" |
| sd |
6.057 |
| type |
byte |
| values |
0, 1, 2, 3, 7, 8, 10, 12, 13, 15, 17, 18 |
Data Manipulations with southXt
| file |
# |
command |
-
-
Script Output
southXt: Number of Observations
---------- ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # Zero 16008 16008 -
| # Positive 10192 10192 -
| # ----- ----- -----
| # Total 26200 26200 -
| # . . . # Missing -
+---------------------- -----
0 18 26200
(12 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
southXt | 26200 3.96874 6.057208 0 18
@mean 3.969
@sd 6.057
@min 0
@max 18
@values 0, 1, 2, 3, 7, 8, 10, 12, 13, 15, 17, 18
@names "0", "1", "2", "3", "7", "8", "10", "12", "13", "15", "17", "18"
@freq 16008, 690, 778, 826, 1121, 866, 858, 1046, 934, 1018, 1052, 1003
@type byte
@label
@class category
@N_unique 12
@N 26200
|
[+]
t0
@unionT.dta |
|
category
(byte)
|
26200
(12)
|
"0", "1", "2", "3", "7", "8", "10..15", "17", "18"
|
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
12 |
| class |
category |
| freq |
1658, 1793, 1958, 2057, 2670, 1993, 2028, 2408, 2194, 2488, 2536, 2417 |
| max |
18 |
| mean |
9.471 |
| min |
0 |
| names |
"0", "1", "2", "3", "7", "8", "10", "12", "13", "15", "17", "18" |
| sd |
5.965 |
| type |
byte |
| values |
0, 1, 2, 3, 7, 8, 10, 12, 13, 15, 17, 18 |
Data Manipulations with t0
| file |
# |
command |
-
-
Script Output
t0: Number of Observations
----- ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # # Zero 1658 1658 -
| # # Positive 24542 24542 -
| # # # # ----- ----- -----
| # # # # # Total 26200 26200 -
| # # # # # Missing -
+---------------------- -----
0 18 26200
(12 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
t0 | 26200 9.471374 5.965499 0 18
@mean 9.471
@sd 5.965
@min 0
@max 18
@values 0, 1, 2, 3, 7, 8, 10, 12, 13, 15, 17, 18
@names "0", "1", "2", "3", "7", "8", "10", "12", "13", "15", "17", "18"
@freq 1658, 1793, 1958, 2057, 2670, 1993, 2028, 2408, 2194, 2488, 2536, 2417
@type byte
@label
@class category
@N_unique 12
@N 26200
|
[+]
union
@unionT.dta |
|
dummy
(byte)
|
26200
(2)
|
"0", "1"
|
1 if union
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
2 |
| class |
dummy |
| freq |
20389, 5811 |
| label |
1 if union |
| max |
1 |
| mean |
0.222 |
| min |
0 |
| names |
"0", "1" |
| sd |
0.415 |
| type |
byte |
| values |
0, 1 |
Estimations and Descriptive Statistics with union
| file |
# |
command |
|
ch5.01.do:
|
20 [+]
|
ttest
age
, by(union)
All properties
| key |
content |
| command |
ttest |
| indent |
0 |
| options |
by(union) |
| parameters |
age |
|
Data Manipulations with union
| file |
# |
command |
-
-
Script Output
union: 1 if union Number of Observations
------------------ ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # Zero 20389 20389 -
| # Positive 5811 5811 -
| # ----- ----- -----
| # Total 26200 26200 -
| # # Missing -
+---------------------- -----
0 1 26200
(2 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
union | 26200 .2217939 .4154611 0 1
@mean 0.222
@sd 0.415
@min 0
@max 1
@values 0, 1
@names "0", "1"
@freq 20389, 5811
@type byte
@label 1 if union
@class dummy
@N_unique 2
@N 26200
|
[+]
year
@unionT.dta |
|
category
(int)
|
26200
(12)
|
"1970", "1971", "1972", "1973", ".. "1987", "1988"
|
interview year
|
All properties
| key |
content |
| N |
26200 |
| N_unique |
12 |
| class |
category |
| freq |
1658, 1793, 1958, 2057, 2670, 1993, 2028, 2408, 2194, 2488, 2536, 2417 |
| label |
interview year |
| max |
1988 |
| mean |
1979.471 |
| min |
1970 |
| names |
"1970", "1971", "1972", "1973", "1977", "1978", "1980", "1982", "1983", "1985", "1987", "1988" |
| sd |
5.965 |
| type |
int |
| values |
1970, 1971, 1972, 1973, 1977, 1978, 1980, 1982, 1983, 1985, 1987, 1988 |
Data Manipulations with year
| file |
# |
command |
-
-
Script Output
year: interview year Number of Observations
--------------------- ------------------------------
Total Integers Nonintegers
| # Negative - - -
| # # Zero - - -
| # # Positive 26200 26200 -
| # # # # ----- ----- -----
| # # # # # Total 26200 26200 -
| # # # # # Missing -
+---------------------- -----
1970 1988 26200
(12 unique values)
Variable | Obs Mean Std. Dev. Min Max
-------------+--------------------------------------------------------
year | 26200 1979.471 5.965499 1970 1988
@mean 1979.471
@sd 5.965
@min 1970
@max 1988
@values 1970, 1971, 1972, 1973, 1977, 1978, 1980, 1982, 1983, 1985, 1987, 1988
@names "1970", "1971", "1972", "1973", "1977", "1978", "1980", "1982", "1983", "1985", "1987", "1988"
@freq 1658, 1793, 1958, 2057, 2670, 1993, 2028, 2408, 2194, 2488, 2536, 2417
@type int
@label interview year
@class category
@N_unique 12
@N 26200
|