itsp

```
contract
variable:group
```

Variable Graph Type N Descriptives Label

[+] contract
@crudeoil.dta

other
(long)

161630
(.)

(x̄=190.876, 83.342) [1,341]

All properties
key	content
N	161630
N_unique	.
class	other
example0	1
histh	.00050529, .00147898, .00165971, .00169756, .00125377, .00137205, .00127459, .00158022, .00137868, .00173257, .00180732, .00242238, .00212526, .00256242, .00273086, .00248199, .00294471, .00259838, .00327684, .00259933, .0029343, .00260217, .00311408, .00325034, .00413035, .00370075, .00406506, .0044199, .00348406, .00444734, .00390987, .00405749, .00417955, .00407925, .00442179, .00412089, .00448992, .00409344, .0044833, .00412183, .00462334, .00448235, .00347366, .00345473, .00286806, .00321722, .00286806, .00270152, .00286806, .00196345, .00157644, .00125566
histw	4.2692308, 10.807693, 17.346153, 23.884615, 30.423077, 36.96154, 43.5, 50.03846, 56.576923, 63.115383, 69.653847, 76.192307, 82.730766, 89.269234, 95.807693, 102.34615, 108.88461, 115.42308, 121.96154, 128.5, 135.03847, 141.57692, 148.11539, 154.65384, 161.19231, 167.73077, 174.26923, 180.80769, 187.34616, 193.88461, 200.42308, 206.96153, 213.5, 220.03847, 226.57692, 233.11539, 239.65384, 246.19231, 252.73077, 259.26923, 265.80768, 272.34616, 278.88461, 285.42307, 291.96155, 298.5, 305.03845, 311.57693, 318.11539, 324.65384, 331.19232, 337.73077
max	341
mean	190.876
min	1
sd	83.342
type	long

file # command

ch10.6.do:

49 [+]

list qmdy contract futprice futret if !missing(futprice) in 1/62 , noobs sepby(qm)

ch13.01.do:

85 [+]

summarize c*

file # command

ch10.6.do:

17 [+]

bysort qmdy (cmdy): generate near = contract if _n == 1

23 [+]

bysort cmdy (qmdy): generate nnear = contract if near[_n] != near[_n-1]

32 [+]

bysort qm: generate futprice = settle if contract == near & qmdy < rollover

34 [+]

bysort qm: replace futprice = settle if contract==nextnear & qmdy >= rollover

37 [+]

bysort qm: generate settleprev = settle if contract == nextnear & qmdy == rollover1

Script Output


contract:                                       Number of Observations
-----------                                 ------------------------------
                                            Total   Integers   Nonintegers
|              #             Negative           -         -          -
|          #   #             Zero               -         -          -
|          #   #             Positive       161630     161630          -
|      #   #   #   #                        -----     -----      -----
|      #   #   #   #         Total          161630     161630          -
|  #   #   #   #   #         Missing            -
+----------------------                     -----
1                   341                     161630
(More than 99 unique values)

      contract is labeled and all values are documented in the label.

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
    contract |    161630    190.8756    83.34232          1        341
@mean   190.876
@sd    83.342
@min         1
@max       341
@example0 1
@histh .00050529, .00147898, .00165971, .00169756, .00125377, .00137205, .00127459, .00158022, .00137868, .00173257, .00180732, .00242238, .00212526, .00256242, .00273086, .00248199, .00294471, .00259838, .00327684, .00259933, .0029343, .00260217, .00311408, .00325034, .00413035, .00370075, .00406506, .0044199, .00348406, .00444734, .00390987, .00405749, .00417955, .00407925, .00442179, .00412089, .00448992, .00409344, .0044833, .00412183, .00462334, .00448235, .00347366, .00345473, .00286806, .00321722, .00286806, .00270152, .00286806, .00196345, .00157644, .00125566
@histw 4.2692308, 10.807693, 17.346153, 23.884615, 30.423077, 36.96154, 43.5, 50.03846, 56.576923, 63.115383, 69.653847, 76.192307, 82.730766, 89.269234, 95.807693, 102.34615, 108.88461, 115.42308, 121.96154, 128.5, 135.03847, 141.57692, 148.11539, 154.65384, 161.19231, 167.73077, 174.26923, 180.80769, 187.34616, 193.88461, 200.42308, 206.96153, 213.5, 220.03847, 226.57692, 233.11539, 239.65384, 246.19231, 252.73077, 259.26923, 265.80768, 272.34616, 278.88461, 285.42307, 291.96155, 298.5, 305.03845, 311.57693, 318.11539, 324.65384, 331.19232, 337.73077
@type long
@label 
@class other
@N_unique .
@N 161630