Write a short essay that answers the following questions in your own words: ● What is precision, recall, sensitivity, and specificity? How would you explain it to someone new to the field of machine learning? ● What is the precision/recall trade-off? Provide an unique example to illustrate the concept. ● Explain the ROC curve and how it is used.

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A: Please find the detailed answer in the following steps.

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Q: ʙᴇʟᴏᴡ ɪꜱ ʜᴏᴡ ᴛʜᴇ ꜰɪʟᴇɴᴀᴍᴇꜱ ᴀʀᴇ ʀᴇᴘʀᴇꜱᴇɴᴛᴇᴅ ᴀʀʀᴀʏ[] = [50, 11, 33, 21, 40, 50, 40, 40, 21] ʙᴇʟᴏᴡ ɪꜱ…

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A: Here is your solution -

System Model Approaches

The systems model approach is a process-oriented representation that emphasizes the impact or flow of information between modules. The multidisciplinary study of the use of models to design and create systems in business and IT development is known as systems model approach. It models how processes interact and what these processes do, but it does not go into detail about how these processes are implemented. Functional decomposition may be utilized to enhance the models employed in this technique, and they can be coupled to requirements models for additional system partitioning.