大数据统计分析公司介绍-决策树

利用大数据与Revolution R Enterprise预测客户流失
Revolution Analytics的Revolution R Enterprise提供了一种用于大数据决策树的新功能"rxDTree",用于预测和预防客户流失。此外,产品支持从HDFS读取数据并分析,提供对大规模XDF文件的压缩,提高分析效率。Optimove则是一款专注于预测客户流失和制定针对性保留策略的SaaS软件,通过精准的客户终身价值预测,实现更有效的主动保留策略。


1.

About Revolution Analytics


Revolution Analytics is the leading commercial provider of software and services based on the open source R project for statistical computing. The company brings high performance, productivity and enterprise readiness to R, the most powerful statistics language in the world. The company's flagship Revolution R Enterprise product is designed to meet the production needs of large organizations in industries such as finance, life sciences, retail, manufacturing and media. Used by over two million analysts in academia and at cutting-edge companies such as Google, Bank of America and Acxiom, R has emerged as the standard of innovation in statistical analysis. Revolution Analytics is committed to fostering the continued growth of the R community through sponsorship of the Inside-R.org community site, funding worldwide R user groups and offering free licenses of Revolution R Enterprise to everyone in academia.


Revolution R Enterprise 6.1 includes the following new capabilities:

  • Big data decision trees. The new "rxDTree" function is a powerful tool for fitting classification and regression trees, which are among the most frequently used algorithms for data analysis and data mining. The implementation provided in Revolution Analytics' RevoScaleR package is parallelized, scalable, distributable and designed with big data in mind. Revolution R Enterprise continues to offer a wide range of other big-data analysis algorithms, including summary statistics, crosstabs, regression, generalized linear models and K-means clustering.
  • New ability to analyze data from Hadoop Distributed File System (HDFS). With more and more data stored in Hadoop, this new option lets data scientists read data from HDFS and apply big-data statistical models from Revolution R Enterprise.
  • Improved performance for 'Big Data' files. RevoScaleR's 'XDF' file format provides fast access to big data. With new compression technology the size of XDF files can be reduced, allowing for higher-performance analytics throughput and faster transfers into clusters or cloud processing systems.
  • Improved Linux installer. The installation process on Linux servers has been streamlined to meet stringent IT requirements, especially for non-root installs.
  • SiteMinder single-sign for applications: Authorized users of applications built on Revolution R Enterprise deployed via the RevoDeployR Web Services API may authenticate using CA SiteMinder(r).

2.

Optimove is a Web-based (SaaS) software product dedicated specifically to the mission of predicting which marketing action will be most effective for each micro-segment of customers. 


http://www.optimove.com/learning-center/customer-churn-prediction-and-prevention

Customer Churn Prediction and Prevention

What is Customer Churn?

Customer churn refers to when a customer (player, subscriber, user, etc.) ceases his or her relationship with a company. Online businesses typically treat a customer as churned once a particular amount of time has elapsed since the customer’s last interaction with the site or service. The full cost of customer churn includes both lost revenue and the marketing costs involved with replacing those customers with new ones. Reducing customer churn is a key business goal of every online business.

The Importance of Predicting Customer Churn

The ability to predict that a particular customer is at a high risk of churning, while there is still time to do something about it, represents a huge additional potential revenue source for every online business. Besides the direct loss of revenue that results from a customer abandoning the business, the costs of initially acquiring that customer may not have already been covered by the customer’s spending to date. (In other words, acquiring that customer may have actually been a losing investment.) Furthermore, it is always more difficult and expensive to acquire a new customer than it is to retain a current paying customer.

Reducing Customer Churn with Targeted Proactive Retention

In order to succeed at retaining customers who would otherwise abandon the business, marketers and retention experts must be able to (a) predict in advance which customers are going to churn and (b) know which marketing actions will have the greatest retention impact on each particular customer. Armed with this knowledge, a large proportion of customer churn can be eliminated.

While simple in theory, the realities involved with achieving this “proactive retention” goal are extremely challenging.

The Difficulty of Predicting Churn

Churn prediction modeling techniques attempt to understand the precise customer behaviors and attributes which signal the risk and timing of customer churn. The accuracy of the technique used is obviously critical to the success of any proactive retention efforts. After all, if the marketer is unaware of a customer about to churn, no action will be taken for that customer. Additionally, special retention-focused offers or incentives may be inadvertently provided to happy, active customers, resulting in reduced revenues for no good reason.

Unfortunately, most of the churn prediction modeling methods rely on quantifying risk based on static data and metrics, i.e., information about the customer as he or she exists right now. The most common churn prediction models are based on older statistical and data-mining methods, such as logistic regression and other binary modeling techniques. These approaches offer some value and can identify a certain percentage of at-risk customers, but they are relatively inaccurate and end up leaving money on the table.

A Better Means of Predicting Customer Churn

Optimove uses a newer and far more accurate approach to customer churn prediction: at the core of Optimove’s ability to accurately predict which customers will churn is a unique method of calculating customer lifetime value (LTV) for each and every customer. The LTV forecasting technology built into Optimove is based on advanced academic research and was further developed and improved over a number of years by a team of first-rate PhDs and software developers. This method is battle-tested and proven as an accurate and effective approach in a wide range of industries and customer scenarios.

Without revealing too much about the “secret sauce” of Optimove’s customer churn prediction technology, the approach combines continual dynamic micro-segmentation and a unique, mathematically-intensive predictive behavior modeling system. The former intelligently and automatically segments the entire customer base into a hierarchical structure of ever-smaller behavioral-demographic segments. This segmentation is dynamic and updated continually based on changes in the data. The latter is based on the fact that the behavior patterns of individual customers frequently change over time. In other words, the “segment route history” of each customer is an extremely important factor determining when and why the customer may churn.

By merging the most exacting micro-segmentation available anywhere with a deep understanding of how customers move from one micro-segment to another over time – including the ability to predict those moves before they occur – an unprecedented degree of accuracy in customer churn prediction is attainable.

Beyond Preventing Customer Churn: Preventing Customer Value Attrition

Optimove goes beyond simply predicting which customers will abandon the business by providing early warnings regarding customers whose lifetime value prediction has declined substantially during the recent period, even though they are still active and may not abandon the business entirely in the near future.

Optimove’s ability to identify customers which fall into this “decliner” category helps marketers increase revenues from existing customers, while simultaneously reducing the number of customers who may fall into the risk-of-churn category.

Now What? Targeted Proactive Retention

Predicting customer churn is important only to the extent that effective action can be taken to retain the customer before it is too late. A central – and unique – aspect of Optimove is the software’s combination of cutting-edge churn prediction capabilities and a marketing action optimization engine.

Once those customers at risk of churning have been identified, the marketer has to know exactly what marketing action to run on each individual customer to maximize the chances that the customer will remain a customer. Since different customers exhibit different behaviors and preferences, and since different customers churn for different reasons, it is critical to practice “targeted proactive retention.” This means knowing in advance which marketing action will be the most effective for each and every customer.

Conclusion

Optimove’s proactive retention approach is based on combining customer churn prediction and marketing action optimization. Optimove thus goes beyond “actionable customer analytics” to automatically determine exactly what marketing action should be run for each at-risk customer to achieve the maximum degree of retention possible.

You Can Dramatically Reduce Customer Churn with Optimove!

Contact us today – or request a Web demo – to learn how you can use Optimove to significantly reduce customer churn through cutting-edge customer churn prediction and automatic marketing action optimization.




大数据统计分析大作业是一个综合性项目,旨在让学生通过实际数据分析和统计方法的应用,掌握大数据处理和分析的基本技能。以下是一个典型的大数据统计分析大作业的内容和步骤: ### 项目背景 在大数据时代,数据分析和统计方法在各个行业中都扮演着至关重要的角色。通过对大量数据的分析和挖掘,可以发现隐藏在数据背后的规律和趋势,从而为决策提供支持。 ### 项目目标 1. **数据获取**:从公开数据源或企业提供的数据中获取原始数据。 2. **数据清洗**:对数据进行预处理,去除噪声和缺失值,确保数据的质量和一致性。 3. **数据分析**:应用统计方法和机器学习算法对数据进行分析,提取有价值的信息。 4. **结果可视化**:使用可视化工具将分析结果以图表形式展示,便于理解和决策。 5. **报告撰写**:撰写详细的项目报告,记录分析过程、结果和结论。 ### 项目步骤 1. **数据获取** - 确定数据来源,如公开数据集、API接口或企业内部数据。 - 使用爬虫技术或数据库查询语言获取数据。 2. **数据清洗** - 检查数据的完整性和一致性。 - 处理缺失值和异常值。 - 数据转换和标准化。 3. **数据分析** - 描述性统计分析:计算均值、中位数、方差等基本统计量。 - 探索性数据分析(EDA):使用可视化工具如Matplotlib、Seaborn等进行分析。 - 机器学习模型:应用回归分析、分类算法(如决策树、随机森林)等进行预测和分类。 4. **结果可视化** - 使用Matplotlib、Seaborn或Tableau等工具创建图表。 - 将分析结果以图表形式展示,便于理解和决策。 5. **报告撰写** - 记录分析过程、结果和结论。 - 提供详细的代码和注释。 - 总结项目的优缺点,提出改进建议。 ### 工具和技术 - **编程语言**:Python或R - **数据处理库**:Pandas, NumPy - **可视化工具**:Matplotlib, Seaborn, Tableau - **机器学习库**:Scikit-learn, TensorFlow, PyTorch ### 结论 通过完成大数据统计分析大作业,学生可以掌握数据获取、清洗、分析和可视化的基本技能,了解机器学习算法在实际数据分析中的应用,并具备撰写技术报告的能力。
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