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Data Science - Interview Questions
Define the terms KPI, lift, model fitting, robustness and DOE.
KPI : KPI stands for Key Performance Indicator that measures how well the business achieves its objectives.
Lift : This is a performance measure of the target model measured against a random choice model. Lift indicates how good the model is at prediction versus if there was no model.
Model fitting : This indicates how well the model under consideration fits given observations.
Robustness : This represents the system’s capability to handle differences and variances effectively.
DOE : stands for the design of experiments, which represents the task design aiming to describe and explain information variation under hypothesized conditions to reflect variables.
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