CDR Analysis Based Telco Churn Prediction and Customer Behavior Insights: A Case Study

机译：基于CDR分析的Telco Churn预测和客户行为见解：一个案例研究

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Telecom churn has emerged as the single largest cause of revenue erosion for telecom operators. Predicting churners from the demographic and behavioral information of customers has been a topic of active research interest and industrial practice. In this case study paper, we present our experience of participating in a competitive evaluation for churn prediction and customer insights for a leading Asian telecom operator. We build a data mining model to predict churners using key performance indicators (KPI) based on customer Call Detail Records (CDR) and additional customer data available with the operator. Further, we analyze the social network formed between the (prepaid and postpaid) churners as well as the entire subscriber base. Our churn prediction method provided a lift of 8.4 over a nominal churn rate of 4.17% on 10% of the prepaid talking subscriber base on test data, and a lift of 7.62 on a nominal churn rate of 7.3% as reported in the customer evaluation on unseen data. This outperformed next best competitor in the study by more than twice. We also correlate social behavior patterns for churners and overall subscriber base. Our study indicates strong socially influenced churn among postpaid subscribers, in contrast with the prepaid subscribers. Our work provides guidelines and a template for conducting similar real-world studies for large telecom operators.

机译：电信流失已成为电信运营商收入侵蚀的最大原因。从客户的人口统计和行为信息预测搅拌一直是积极研究兴趣和工业实践的主题。在本案的研究文件中，我们展示了我们参与竞争评估的流失评估，并为领先的亚洲电信运营商进行竞争评估。我们构建数据挖掘模型，以根据客户呼叫详细记录（CDR）和运营商可用的其他客户数据来预测使用关键性能指标（KPI）的搅拌器。此外，我们分析了（预付和后付费）嵌入式以及整个用户群之间形成的社交网络。我们的潮流预测方法提供了8.4的电梯，标称流失率为4.17％的预付费谈话用户底座，在测试数据上的预付费谈话用户底座，并在客户评估中报告的标称流失率为7.62的电梯看不见的数据。这在研究中表现出了两次的下一个最佳竞争对手。我们还将搅拌器和整体用户群相关联。我们的研究表明，与预付用户相比，后付费用户在后付费用户之间的流失很强。我们的工作提供了指导方针和模板，用于对大型电信运营商进行类似的真实研究。

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《International conference on web information systems engineering》|2013年||共14页
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Natwar Modani; Kuntal Dey; Ritesh Gupta; Shantanu Godbole;
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1. Comparison of supervised machine learning techniques for customer churn prediction based on analysis of customer behavior [J] . Khodabandehlou Samira, Zivari Rahman Mahmoud Journal of systems and information technology . 2017,第1a2期

机译：基于客户行为分析的有监督机器学习技术对客户流失预测的比较
2. Behavior Analysis of Customer Churn for a Customer Relationship System: An Empirical Case Study [J] . Li Chen Cheng, Chia-Chi Wu, Chih-Yi Chen Journal of global information management . 2019,第1期

机译：客户关系系统的客户流失行为分析：一个案例研究
3. A comparative analysis of data preparation algorithms for customer churn prediction: A case study in the telecommunication industry [J] . Coussement Kristof, Lessmann Stefan, Verstraeten Geert Decision support systems . 2017,第MARa期

机译：用于客户流失预测的数据准备算法的比较分析：以电信行业为例
4. CDR Analysis Based Telco Churn Prediction and Customer Behavior Insights: A Case Study [C] . Natwar Modani, Kuntal Dey, Ritesh Gupta, International conference on web information systems engineering . 2013

机译：基于CDR分析的Telco客户流失预测和客户行为洞察力：一个案例研究
5. Predicting Credit Union Customer Churn Behavior Using Decision Trees, Logistic Regression, and Random Forest Models [D] . Barr, Frederick. 2020

机译：使用决策树，逻辑回归和随机林模型预测信用联盟客户流失行为
6. Negative Correlation Learning for Customer Churn Prediction: A Comparison Study [O] . Ali Rodan, Ayham Fayyoumi, Hossam Faris, 2015

机译：客户流失预测的负相关学习：一个比较研究
7. MODERATED EPOSTERS1385Longitudinal strain assessment in dilated cardiomyopathy patients using a novel accelerated DENSE sequence1407Simultaneous T1 and T2 cardiac quantification with CABIRIA: initial clinical experience1423Head-to-head comparison of acceleration algorithms in 4-dimensional flow CMR1502Left ventricular function and size evaluated by hybrid cardiac positron emission tomography-magnetic resonance: Intraindividual comparison of left ventricular ejection fraction and ventricular volumes derived by two modalities1510Left Atrium assessed by Cardiovascular Magnetic Resonance at 1.5 and 3 Tesla – age and gender effects1514Comparison of Free Breathing Cardiac MRI Radial technique to the Standard Multi breath-hold cine SSFP CMR technique for the assessment of LV Volumes and Function1536Self-navigated free-breathing isotropic 3D whole heart phase sensitive inversion recovery magnetic resonance without navigator for detection of myocardial infarction1547Assessment of Right Ventricular Strain Using Myocardial Deformation Recovery Semi Automated Technique: Initial Experience and Normal Values1586Tissue tracking myocardial deformation analysis and prediction of left ventricular remodeling in acute myocardial infarction1589Investigating strategies for optimal 31P MRS clinical cardiac at 3T: Initial Results1620Quantitative Criteria for the Diagnosis of the Congenital Absence of Pericardium by Cardiac Magnetic Resonance1632Widespread tissue injury during acute myocardial infarction: evidence from advanced CMR relaxometry1322Computed tomography coronary angiography verSus sTRess cArdiac magneTic rEsonance for the manaGement of sYmptomatic revascularized patients: a cost effectiveness study (STRATEGY study)1339Comparison of low- versus high-dose of gadobutrol for late gadolinium enhancement imaging at 1.5 Tesla: a clinical feasibility study1347Multi-parametric Cardiac Magnetic Resonance for Prediction of Cardiac Complications in Thalassemia Intermedia: a Prospective Multicenter Study1461Prognostic value of Cardiovascular Magnetic Resonance derived indexes of myocardial fibrosis in heart transplant recipients1523The role of CMR in the acute phase of hospitalization: changing paradigms1542Preoperative CMR-based score predict ventricular response after surgical left ventricular reconstruction in ischemic heart failure patients1555Excellent response rate to cardiac resynchronization therapy guided with magnetic resonance imaging1626The ECG as a predictor of arrhythmogenic substrate on Cardiac Magnetic Resonance Imaging in patients undergoing ablation for premature ventricular contractions1649Comparison of T1-mapping at 3.0T CMR and angiographic APPROACH score for area at risk assessment in ST-segment elevation myocardial infarction1340Pathological correlates of left bundle branch disease in patients with non-ischemic cardiomyopathy: a cardiovascular magnetic resonance study1342Myocardial remodelling and fibrosis in nonischaemic dilated cardiomyopathy: insights from cardiovascular magnetic resonance1411The association between fibrosis and contractile dysfunction in hypertrophic cardiomyopathy assessed by cardiovascular magnetic resonance1622Persistent myocardial inflammation due to intramyocardial haemorrhage in reperfused STEMI as a precursor to adverse LV remodelling - insights from multi-parametric mapping1566Semiquantitative analysis of low and high b value DWI for detecting myocardial edema in acute myocarditis1567Value of Cardiac MRI In Detecting Coronary Artery Disease In Newly Diagnosed Systolic Dysfunction1570Usefulness of cardiac magnetic resonance in tuberous sclerosis complex1578Papillary muscles offer further insight into hypertrophied hearts: a cardiovascular magnetic resonance study1627Diagnostic and clinical implications of CMR timing (early versus late) in patients with troponin positive acute coronary syndromes and unobstructed coronary arteries: Table 1. [O] . Upasana Tayal, Alexandros Kallifatidis, P. Garg, 2016

机译：在使用新的扩张型心肌病的患者缓和EPOSTERS1385Longitudinal应变评估加速DENSE sequence1407Simultaneous T1和T2与CABIRIA心脏定量：在4维流动的加速算法初始临床experience1423Head对头比较CMR1502Left心室功能和尺寸由混合心脏正电子发射断层摄影术评价 - 磁性共振：由两个modalities1510Left庭派生左室射血分数和心室体积的个体间的比较，在1.5和3特斯拉评估心血管磁共振 - 免费的年龄和性别effects1514Comparison呼吸心脏MRI径向技术标准的多屏气电影SSFP CMR技术的LV卷和Function1536Self-导航自由呼吸各向同性3D整个心脏相位敏感反转恢复磁共振导航仪没有检测右Ventricu心肌infarction1547Assessment的评估拉尔菌株使用心肌变形恢复半自动技术：初步经验和正常Values1586Tissue跟踪心肌变形分析和预测左室重构急性心肌infarction1589Investigating策略优化31P MRS临床心脏在3T：初始Results1620Quantitative标准的先天缺失的诊断心包心脏磁Resonance1632Widespread组织损伤急性心肌梗死时：证据先进CMR relaxometry1322Computed CT冠状动脉成像与压力心脏磁共振对症的管理吻合血管患者：成本效益研究（战略研究）1339Comparison低与高剂量钆布醇在1.5特斯拉晚钆增强成像的临床可行性，在中间型地贫心脏并发症的预测study1347Multi参数心脏核磁共振的前瞻性德穆尔心血管磁共振的ticenter Study1461Prognostic价值衍生心肌纤维化指标在住院的急性期CMR的心脏移植recipients1523The作用：改变基于CMR-paradigms1542Preoperative比分预测缺血性心脏衰竭patients1555Excellent响应速度外科左心室重建心脏再同步化后心室反应治疗与磁共振imaging1626The ECG导引作为心脏磁共振成像致心律失常性基板的在ST段抬高心肌infarction1340Pathological在风险评估经历在3.0T CMR T1映射的室性早搏contractions1649Comparison和血管造影APPROACH分数区域消融患者的预测左束支传导疾病的患者与非缺血性心肌病相关因素：心血管磁共振study1342Myocardial重塑和纤维化nonischaemic扩张型心肌病：在从在由心血管磁性resonance1622Persistent心肌炎症评估肥厚型心肌病的纤维化和收缩功能障碍之间心血管磁性resonance1411The协会由于心肌内出血景点在再灌注STEMI为先导，以不利的LV重塑 - 从低的多参数mapping1566Semiquantitative分析和高的b值DWI的见解为在心脏MRI检测冠状动脉疾病急性myocarditis1567Value在结节性硬化症complex1578Papillary肌肉初诊收缩期Dysfunction1570Usefulness心脏磁共振检测心肌水肿提供进一步的深入了解肥大心脏：心血管磁共振study1627Diagnostic和CMR定时的临床意义（早期与晚）患者肌钙蛋白阳性的急性冠脉综合征和通畅的冠状动脉：表1。

CDR Analysis Based Telco Churn Prediction and Customer Behavior Insights: A Case Study

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