itsp

```
so2
variable:group
```

Variable Graph Type N Descriptives Label

[+] so2
@airquality.dta

category
(float)

41
(27)

"8", "9", "10", "11", "12", "13",..9", "94", "110"

Sulphur dioxide

All properties
key	content
N	41
N_unique	27
class	category
freq	1, 2, 4, 2, 1, 1, 3, 1, 2, 1, 1, 1, 2, 2, 3, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1
label	Sulphur dioxide
max	110.000
mean	30.049
min	8.000
names	"8", "9", "10", "11", "12", "13", "14", "16", "17", "18", "23", "24", "26", "28", "29", "30", "31", "35", "36", "46", "47", "56", "61", "65", "69", "94", "110"
sd	23.472
type	float
values	8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 23, 24, 26, 28, 29, 30, 31, 35, 36, 46, 47, 56, 61, 65, 69, 94, 110

file # command

ch6.5.do:

5 [+]

qui regress so2 pop manuf wind

13 [+]

qui ivregress 2sls so2 (pop = temp precip) manuf wind

23 [+]

qui summarize so2 , detail

ch10.4.do:

10 [+]

scatter so2 temp , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// saving(fig10_4_1, replace) scheme(s2mono)

12 [+]

scatter so2 precip , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// by(hightemp) saving(fig10_4_2, replace) scheme(s2mono)

14 [+]

scatter so2 wind , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// by(hightemp) saving(fig10_4_3, replace) scheme(s2mono)

19 [+]

scatter so2 precip , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// by(hightemp) saving(fig10_4_2, replace) scheme(s2mono)

file # command

ch6.5.do:

24 [+]

generate hiso2 = (so2 > r(p50)) & !missing(so2)

ch10.4.do:

18 [+]

label var so2 "Sulphur dioxide, mg/m3"

Script Output


so2:  Sulphur dioxide                           Number of Observations
---------------------                       ------------------------------
                                            Total   Integers   Nonintegers
|  #                         Negative           -         -          -
|  #                         Zero               -         -          -
|  #                         Positive          41        41          -
|  #                                        -----     -----      -----
|  #   #                     Total             41        41          -
|  #   #   #   .   .         Missing            -
+----------------------                     -----
8                   110                        41
  (27 unique values)

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
         so2 |        41    30.04878    23.47227          8        110
@mean    30.049
@sd    23.472
@min     8.000
@max   110.000
@values 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 23, 24, 26, 28, 29, 30, 31, 35, 36, 46, 47, 56, 61, 65, 69, 94, 110
@names "8", "9", "10", "11", "12", "13", "14", "16", "17", "18", "23", "24", "26", "28", "29", "30", "31", "35", "36", "46", "47", "56", "61", "65", "69", "94", "110"
@freq 1, 2, 4, 2, 1, 1, 3, 1, 2, 1, 1, 1, 2, 2, 3, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1
@type float
@label Sulphur dioxide
@class category
@N_unique 27
@N 41

[+] so2
@usairquality.dta

category
(float)

41
(27)

"8", "9", "10", "11", "12", "13",..9", "94", "110"

Sulphur dioxide

All properties
key	content
N	41
N_unique	27
class	category
freq	1, 2, 4, 2, 1, 1, 3, 1, 2, 1, 1, 1, 2, 2, 3, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1
label	Sulphur dioxide
max	110.000
mean	30.049
min	8.000
names	"8", "9", "10", "11", "12", "13", "14", "16", "17", "18", "23", "24", "26", "28", "29", "30", "31", "35", "36", "46", "47", "56", "61", "65", "69", "94", "110"
sd	23.472
type	float
values	8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 23, 24, 26, 28, 29, 30, 31, 35, 36, 46, 47, 56, 61, 65, 69, 94, 110

file # command

ch5.01.do:

37 [+]

quietly regress so2 temp manuf pop

39 [+]

quietly regress so2 temp pop wind

41 [+]

quietly regress so2 temp wind precip days

43 [+]

quietly regress so2 temp manuf pop wind precip days

70 [+]

eststo: quietly regress so2 temp manuf pop

71 [+]

eststo: quietly regress so2 temp pop wind

72 [+]

eststo: quietly regress so2 temp wind precip days

73 [+]

eststo: quietly regress so2 temp manuf pop wind precip days

ch6.5.do:

5 [+]

qui regress so2 pop manuf wind

13 [+]

qui ivregress 2sls so2 (pop = temp precip) manuf wind

23 [+]

qui summarize so2 , detail

ch10.4.do:

10 [+]

scatter so2 temp , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// saving(fig10_4_1, replace) scheme(s2mono)

12 [+]

scatter so2 precip , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// by(hightemp) saving(fig10_4_2, replace) scheme(s2mono)

14 [+]

scatter so2 wind , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// by(hightemp) saving(fig10_4_3, replace) scheme(s2mono)

19 [+]

scatter so2 precip , msize(tiny) mlabel(tabrv) mlabsize(vsmall) /// by(hightemp) saving(fig10_4_2, replace) scheme(s2mono)

ch14.7.do:

84 [+]

list pop mo1 so2 mv1 , sep(0)

file # command

ch6.5.do:

24 [+]

generate hiso2 = (so2 > r(p50)) & !missing(so2)

ch10.4.do:

18 [+]

label var so2 "Sulphur dioxide, mg/m3"

Script Output


so2:  Sulphur dioxide                           Number of Observations
---------------------                       ------------------------------
                                            Total   Integers   Nonintegers
|  #                         Negative           -         -          -
|  #                         Zero               -         -          -
|  #                         Positive          41        41          -
|  #                                        -----     -----      -----
|  #   #                     Total             41        41          -
|  #   #   #   .   .         Missing            -
+----------------------                     -----
8                   110                        41
  (27 unique values)

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
         so2 |        41    30.04878    23.47227          8        110
@mean    30.049
@sd    23.472
@min     8.000
@max   110.000
@values 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 23, 24, 26, 28, 29, 30, 31, 35, 36, 46, 47, 56, 61, 65, 69, 94, 110
@names "8", "9", "10", "11", "12", "13", "14", "16", "17", "18", "23", "24", "26", "28", "29", "30", "31", "35", "36", "46", "47", "56", "61", "65", "69", "94", "110"
@freq 1, 2, 4, 2, 1, 1, 3, 1, 2, 1, 1, 1, 2, 2, 3, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1
@type float
@label Sulphur dioxide
@class category
@N_unique 27
@N 41