itsp

```
date
variable:group
```

Variable Graph Type N Descriptives Label

[+] date
@fictprice.dta

other
(float)

2143
(.)

(x̄=15500.098, 866.286) [14001.000,16999.000]

All properties
key	content
N	2143
N_unique	.
class	other
example0	14001
histh	.00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00032873, .00033387, .00033387, .00033387, .00033387, .000339, .00032873, .00032873, .00033387, .00033387, .00033387, .000339, .00033387, .00032873, .00032873, .00033387, .00033387, .000339, .00033387, .00033387
histw	14046.424, 14137.272, 14228.121, 14318.97, 14409.818, 14500.667, 14591.516, 14682.363, 14773.212, 14864.061, 14954.909, 15045.758, 15136.606, 15227.454, 15318.303, 15409.151, 15500, 15590.849, 15681.697, 15772.546, 15863.394, 15954.242, 16045.091, 16135.939, 16226.788, 16317.637, 16408.484, 16499.334, 16590.182, 16681.031, 16771.879, 16862.727, 16953.576
max	16999.000
mean	15500.098
min	14001.000
sd	866.286
type	float

file # command

ch8.2.do:

101 [+]

g date = 14000+_n

102 [+]

format date %td

110 [+]

qui generate deld = date - date[_n-1]

120 [+]

gen mon = mofd(date)

Script Output


date:                                           Number of Observations
-------                                     ------------------------------
                                            Total   Integers   Nonintegers
|              #             Negative           -         -          -
|  #   #   #   #   #         Zero               -         -          -
|  #   #   #   #   #         Positive        2143      2143          -
|  #   #   #   #   #                        -----     -----      -----
|  #   #   #   #   #         Total           2143      2143          -
|  #   #   #   #   #         Missing            -
+----------------------                     -----
14001             16999                      2143
(More than 99 unique values)

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
        date |      2143     15500.1    866.2858      14001      16999
@mean 15500.098
@sd   866.286
@min 14001.000
@max 16999.000
@example0 14001
@histh .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00033387, .00032873, .00033387, .00033387, .00033387, .00033387, .000339, .00032873, .00032873, .00033387, .00033387, .00033387, .000339, .00033387, .00032873, .00032873, .00033387, .00033387, .000339, .00033387, .00033387
@histw 14046.424, 14137.272, 14228.121, 14318.97, 14409.818, 14500.667, 14591.516, 14682.363, 14773.212, 14864.061, 14954.909, 15045.758, 15136.606, 15227.454, 15318.303, 15409.151, 15500, 15590.849, 15681.697, 15772.546, 15863.394, 15954.242, 16045.091, 16135.939, 16226.788, 16317.637, 16408.484, 16499.334, 16590.182, 16681.031, 16771.879, 16862.727, 16953.576
@type float
@label 
@class other
@N_unique .
@N 2143

[+] date
@gdp4cty.dta

other
(float)

400
(.)

(x̄=93.500, 28.902) [44.000,143.000]

All properties
key	content
N	400
N_unique	.
class	other
example0	44
histh	.01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101
histw	46.474998, 51.424999, 56.375, 61.325001, 66.275002, 71.224998, 76.175003, 81.125, 86.074997, 91.025002, 95.974998, 100.925, 105.875, 110.825, 115.775, 120.725, 125.675, 130.625, 135.575, 140.52499
max	143.000
mean	93.500
min	44.000
sd	28.902
type	float

file # command

ch4.4.do:

62 [+]

qui regress `c' `allbut' date

file # command

ch4.4.do:

52 [+]

keep cty gdp date

54 [+]

reshape wide gdp , i(date) j(cty) string

Script Output


date:                                           Number of Observations
-------                                     ------------------------------
                                            Total   Integers   Nonintegers
|  #   #   #   #   #         Negative           -         -          -
|  #   #   #   #   #         Zero               -         -          -
|  #   #   #   #   #         Positive         400       400          -
|  #   #   #   #   #                        -----     -----      -----
|  #   #   #   #   #         Total            400       400          -
|  #   #   #   #   #         Missing            -
+----------------------                     -----
44                  143                       400
(More than 99 unique values)

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
        date |       400        93.5    28.90222         44        143
@mean    93.500
@sd    28.902
@min    44.000
@max   143.000
@example0 44
@histh .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101, .01010101
@histw 46.474998, 51.424999, 56.375, 61.325001, 66.275002, 71.224998, 76.175003, 81.125, 86.074997, 91.025002, 95.974998, 100.925, 105.875, 110.825, 115.775, 120.725, 125.675, 130.625, 135.575, 140.52499
@type float
@label 
@class other
@N_unique .
@N 400

[+] date
@ibm.dta

other
(float)

494
(.)

(x̄=16064.672, 207.105) [15707.000,16421.000]

Date

All properties
key	content
N	494
N_unique	.
class	other
example0	15707
histh	.00137221, .00143458, .00143458, .00130984, .00149696, .00130984, .00143458, .00143458, .00143458, .00143458, .00137221, .00124746, .00143458, .00143458, .00130984, .00149696, .00124746, .00143458, .00143458, .00143458, .00143458, .00143458
histw	15723.228, 15755.682, 15788.137, 15820.591, 15853.046, 15885.5, 15917.954, 15950.409, 15982.863, 16015.318, 16047.772, 16080.228, 16112.682, 16145.137, 16177.591, 16210.046, 16242.5, 16274.954, 16307.409, 16339.863, 16372.318, 16404.773
label	Date
max	16421.000
mean	16064.672
min	15707.000
sd	207.105
type	float

Data Manipulations with date
file	#	command

Script Output


date:  Date                                     Number of Observations
-----------                                 ------------------------------
                                            Total   Integers   Nonintegers
|                  #         Negative           -         -          -
|  #   #   #   #   #         Zero               -         -          -
|  #   #   #   #   #         Positive         494       494          -
|  #   #   #   #   #                        -----     -----      -----
|  #   #   #   #   #         Total            494       494          -
|  #   #   #   #   #         Missing            -
+----------------------                     -----
15707             16421                       494
(More than 99 unique values)

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
        date |       494    16064.67    207.1052      15707      16421
@mean 16064.672
@sd   207.105
@min 15707.000
@max 16421.000
@example0 15707
@histh .00137221, .00143458, .00143458, .00130984, .00149696, .00130984, .00143458, .00143458, .00143458, .00143458, .00137221, .00124746, .00143458, .00143458, .00130984, .00149696, .00124746, .00143458, .00143458, .00143458, .00143458, .00143458
@histw 15723.228, 15755.682, 15788.137, 15820.591, 15853.046, 15885.5, 15917.954, 15950.409, 15982.863, 16015.318, 16047.772, 16080.228, 16112.682, 16145.137, 16177.591, 16210.046, 16242.5, 16274.954, 16307.409, 16339.863, 16372.318, 16404.773
@type float
@label Date
@class other
@N_unique .
@N 494

file # command

ch4.4.do:

62 [+]

qui regress `c' `allbut' date

file # command

ch4.4.do:

52 [+]

keep cty gdp date

54 [+]

reshape wide gdp , i(date) j(cty) string

ch7.00.do:

22 [+]

label var end "date"

ch8.2.do:

101 [+]

g date = 14000+_n

102 [+]

format date %td

110 [+]

qui generate deld = date - date[_n-1]

120 [+]

gen mon = mofd(date)

tipBizday.do:

10 [+]

label var caldate date

Variable date

Script Output

Script Output

Script Output