iSixSigma

riyan

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  • #189586

    riyan
    Member

    Through DMAIC process, here is the example:
    1. Define: current leadtime process end to end, e.g: say from creating vacancy, vacancy announcement, select resume, inviting, interview, until hiring signoff took 28 days
    2. Measure: perform mapping. e.g: creating vacancy 1d, vacancy announcement 1d, select resume 5d, inviting 5d, interview 10d, until hiring signoff 5d. Mapping shows that we should fokus on interview since it took longest time
    3. Analyze: what make interview process took longest. Perform root cause analysis through brainstorming. Determine rootcause e.g: too many stages of user interview
    4. Improve: Simplify and combine interview
    5. Control: Standardize in SOP
    Done…

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    #183074

    riyan
    Member

    the idea to develop FPY is to have baseline of process, such that when we apply improvement on the process we will understand the impact of improvement. Iterative process is common in manufacture environment, to set FPY we can use existing process as baseline by establish time required/ iteration required to achieve good unit based on specification. If the number/time of iteration required is less than standard we can call it FPY and vice versa. Once, the baseline data is set, then we could apply six sigma tools to improve the process and quantify the improvement. In future, if FPY reach 100%, we can set new baseline of FPY, that’s why it is called continuous improvement…

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    #183073

    riyan
    Member

    if we have predictor as variable and response of attribute, we can use logistic regression instead. Logistic regression use logit formula in calculation of hipotesis test.

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