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A collection of tests, data sets, and examples for diagnostic checking in linear regression models. Furthermore, some generic tools for inference in parametric models are provided.

Panel data econometrics is obviously one of the main fields in the profession, but most of the models used are difficult to estimate with R. plm is a package for R which intends to make the estimation of linear panel models straightforward. plm provides functions to estimate a wide variety of models and to make (robust) inference.

Package of calendar, date, time tools and utilities for Rmetrics.

Testing, monitoring and dating structural changes in (linear) regression models. strucchange features tests/methods from the generalized fluctuation test framework as well as from the F test (Chow test) framework. This includes methods to fit, plot and test fluctuation processes (e.g., CUSUM, MOSUM, recursive/moving estimates) and F statistics, respectively. It is possible to monitor incoming data online using fluctuation processes. Finally, the breakpoints in regression models with structural changes can be estimated together with confidence intervals. Emphasis is always given to methods for visualizing the data.

Package of time series tools and utilities.

Electrum is an easy to use Bitcoin client. It protects you from losing coins in a backup mistake or computer failure, because your wallet can be recovered from a secret phrase. There is no waiting time when you start the client, because it does not download the Bitcoin blockchain.

Estimation, lag selection, diagnostic testing, forecasting, causality analysis, forecast error variance decomposition and impulse response functions of VAR models and estimation of SVAR/SVEC models.

AqBanking provides a middle layer between the program and the various Online Banking libraries (e.g. AqHBCI, OpenHBCI etc). AqBanking uses various plugins to simplify import and export of financial data. It also provides the administration of profiles on a per import/export plugin basis. AqBanking supports plugins which allow lookup and verification of bank code/ account id pair validity.

Aqmoney is a homebanking application. Aqmoney is able to create both RDH mode ("security disc" mode called in other programs) and DDV mode (chip card) customers. A customer is one who has one or more account(s) at a credit institute. To manage accounts you must first create a customer.

Beanie is a flexible, distributed accounting system for medium-sized companies. It includes back-end batch processing as well as a (skeleton) GTK GUI and provides automated purchases, sales, and nominal ledgers as well as automated invoicing (via email). It also supports VAT and payroll. The latest version has considerable updates over the earlier releases and isn't particularly backwards-compatible. The installation and compilation is streamlined and the multi-database schema has been reduced to a single database per company. The gnome GUI is still lacking, but the command-line interface now has support for automated bank reconciliation (from online banking QIF files), payroll, automated billing and reminders, invoice PDF generation, statement PDF generation, and a general journal.