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Re: st: how to assign an indicator variable to all observation within a group if a condition is satisfied at least twice
From
Nahla Betelmal <[email protected]>
To
[email protected]
Subject
Re: st: how to assign an indicator variable to all observation within a group if a condition is satisfied at least twice
Date
Fri, 28 Jun 2013 18:16:06 +0100
Hi, thank you for your reply. I reread the post and understood what I did wrong.
It works now, thank you for the help again
Nahla
On 28 June 2013 17:51, Nick Cox <[email protected]> wrote:
> These conditions aren't mutually exclusive. Anyone with 80, 200, 300
> qualifies on both counts: earnings <= 100 once and earnings >= 100
> twice.
>
> Also, watch for = on both sides of inequality.
>
> Either way, posts earlier today explained the techniques of getting an
> indicator and summing it over blocks of observations.
>
> Nick
> [email protected]
>
>
> On 28 June 2013 17:42, Nahla Betelmal <[email protected]> wrote:
>> Hi again,
>>
>> I want to identify two groups of managers. Group one represents
>> managers who have earnings => 100 at least twice during their tenure
>> period. the other group (the reference one) represent manages who have
>> earnings less than 100 or achieved 100 only once during their tenure
>> period.
>>
>> for example, I want to assign an indicator variable =1 for manager
>> A187, and zero for managers B963 and C425 as the following:
>>
>> year manager_ID Earnings indicator
>> 1995 A187 100 1
>> 1996 A187 150 1
>> 1997 A187 60 1
>> 1998 A187 0 1
>>
>>
>> year manager_ID Earnings indicator
>> 1995 B963 30 0
>> 1996 B963 20 0
>> 1997 B963 100 0
>> 1998 B963 0 0
>>
>> year manager_ID Earnings indicaror
>> 1997 C425 70 0
>> 1998 C425 90 0
>>
>>
>> Thanks in advance
>>
>> Nahla Betelmal
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