Customer churn, which refers to the loss of customers who st…
Customer churn, which refers to the loss of customers who stop using a company’s product or service, can significantly impact revenue. A company has developed a machine learning model to predict churn and evaluates its performance using metrics like accuracy, True Positive Rate (TPR), and the Area Under the ROC Curve (AUC): The model achieves 95% accuracy but has a TPR of only 60%. Its AUC is calculated to be 0.65. The business team is concerned about failing to identify customers at risk of leaving, which could lead to revenue loss. In predicting customer churn, why is TPR an important metric to consider alongside AUC?
Read DetailsIL PASSATO PROSSIMO with AVERE. Complete each sentence with…
IL PASSATO PROSSIMO with AVERE. Complete each sentence with the correct passato prossimo form of the verb in parentheses. Irregular verbs are underlined. 1. Io [ho] [mangiato] (mangiare) un piatto di spaghetti. 2. I nonni ti [hanno] [dato] (dare) il regalo? 3. Tu [hai] [dormito] (dormire) tutto il giorno. 4. Dante Alighieri [ha] [scritto] (scrivere) la Divina Commedia. 5. Quando voi [avete] [visto] (vedere) Matteo? 6. Noi [abbiamo] [studiato] (studiato) tutto il giorno per il test di italiano
Read DetailsIL PASSATO PROSSIMO with ESSERE. Complete each sentence with…
IL PASSATO PROSSIMO with ESSERE. Complete each sentence with the correct passato prossimo form of the verb in parentheses. Irregular verbs are underlined. 1. Tu [sei] [andata] (andare, feminine) all’università ieri pomeriggio? 2. I miei fratelli [sono] [nati] (nascere) lo stesso giorno. 3. Io non [Sono] [partito] (partire, masculine) per l’Italia. 4. Lei [e] [scesa] (scendere) dalle scale in fretta (in a hurry). 5. Io e Gianna [siamo] [arrivate] (arrivare, feminine) a casa tardi ieri. 6. Voi [siete] [andati] (andare, masculine) al concerto di Lady Gaga?
Read DetailsA 5′ 5″ female with a BMI of 25 with a known right upper lob…
A 5′ 5″ female with a BMI of 25 with a known right upper lobe mass is scheduled for a right upper lobectomy. Considering the patient’s anatomy and the planned procedure, which type of lung isolation device and size is most appropriate?
Read DetailsA patient with severe peripheral vascular disease is schedul…
A patient with severe peripheral vascular disease is scheduled for an urgent aortic aneurysm repair. While surgical mortality has decreased, this patient population remains at high risk for perioperative complications. The leading cause of perioperative mortality in vascular surgery patients is:
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