itsp

```
weight
variable:group
```

Variable Graph Type N Descriptives Label

[+] weight
@fem2.dta

other
(float)

107
(67)

(x̄=1.585, 2.717) [-4.900,8.300]

WEIGHT

All properties
key	content
N	107
N_unique	67
class	other
example0	4.9000001
histh	.02124044, .03540074, .1203625, .07080147, .1203625, .1345228, .12744264, .07788162, .04248088, .00708015
histw	-4.2400002, -2.9200001, -1.6, -.28, 1.0400001, 2.3600001, 3.6800001, 5, 6.3200002, 7.6400003
label	WEIGHT
max	8.300
mean	1.585
min	-4.900
sd	2.717
type	float

file # command

ch12.4.do:

78 [+]

ml model d0 mynormal_lf_d0 (mu: price = mpg weight turn) /lnsigma , /// maximize nolog diparm(lnsigma, exp label("sigma"))

125 [+]

ml model d0 mynormal_lf_d0_c1 (a:) (mu: price = weight turn) /lnsigma , /// maximize nolog diparm(lnsigma, exp label("sigma"))

Data Manipulations with weight
file	#	command

Script Output


weight:  WEIGHT                                 Number of Observations
---------------                             ------------------------------
                                            Total   Integers   Nonintegers
|          #                 Negative          34         5         29
|          #                 Zero               -         -          -
|      #   #   #             Positive          73         9         64
|      #   #   #                            -----     -----      -----
|      #   #   #             Total            107        14         93
|  #   #   #   #   #         Missing           11
+----------------------                     -----
-4.9                8.3                       118
  (67 unique values)

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
      weight |       107    1.585047    2.716609       -4.9        8.3
@mean     1.585
@sd     2.717
@min    -4.900
@max     8.300
@example0 4.9000001
@histh .02124044, .03540074, .1203625, .07080147, .1203625, .1345228, .12744264, .07788162, .04248088, .00708015
@histw -4.2400002, -2.9200001, -1.6, -.28, 1.0400001, 2.3600001, 3.6800001, 5, 6.3200002, 7.6400003
@type float
@label WEIGHT
@class other
@N_unique 67
@N 107