| Creating Time Variable For Survival Analysis & Missing(Dots) Cells [message #20177] |
Tue, 06 October 2020 01:19  |
shujaat.smc@gmail.com
Messages: 75
Registered: July 2020
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Senior Member |
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Dear DHS Representative,
I have created a time variable for neonatal death using the b6 variable, please have a look at the tabular chart of "dayofneonataldeath", missing 31,683 what should I do with this big number, putting this new time variable in Stata stset shows that the 31,683 observations are missing.
Should I use negative coding for these missing numbers, .=-1 or use code Not applicable .=NA ??? or recode time variable as (202/.=Month2&above) so it includes all the deaths in months & missing values.
Please see the tab of my new variable (dayofneonataldeath) below.
Waiting for your reply.
Best Regards
Dr. Hussain
RECODE of b6 |
(age at |
death) | Freq. Percent Cum.
-------------+-----------------------------------
Day0 | 360 1.05 1.05
Day1 | 275 0.80 1.84
Day2 | 120 0.35 2.19
Day3 | 149 0.43 2.63
Day4 | 74 0.21 2.84
Day5 | 67 0.19 3.04
Day6 | 60 0.17 3.21
Day7 | 46 0.13 3.34
Day8 | 32 0.09 3.44
Day9 | 15 0.04 3.48
Day10 | 34 0.10 3.58
Day11 | 16 0.05 3.63
Day12 | 15 0.04 3.67
Day13 | 15 0.04 3.71
Day14 | 8 0.02 3.74
Day15 | 32 0.09 3.83
Day16 | 6 0.02 3.85
Day17 | 5 0.01 3.86
Day18 | 4 0.01 3.87
Day19 | 2 0.01 3.88
Day20 | 25 0.07 3.95
Day21 | 7 0.02 3.97
Day22 | 8 0.02 3.99
Day23 | 2 0.01 4.00
Day24 | 4 0.01 4.01
Day25 | 10 0.03 4.04
Day26 | 1 0.00 4.04
Day27 | 2 0.01 4.05
Day28 | 6 0.02 4.07
Day30 | 149 0.43 4.50
Month2&Above | 1,193 3.47 7.97
. | 31,683 92.03 100.00
-------------+-----------------------------------
Total | 34,425 100.00
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