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  2. Oversampling and undersampling in data analysis - Wikipedia

    en.wikipedia.org/wiki/Oversampling_and_under...

    Suppose, to address the question of gender discrimination, we have survey data on salaries within a particular field, e.g., computer software. It is known women are under-represented considerably in a random sample of software engineers, which would be important when adjusting for other variables such as years employed and current level of ...

  3. Data cleansing - Wikipedia

    en.wikipedia.org/wiki/Data_cleansing

    Data cleansing or data cleaning is the process of identifying and correcting (or removing) corrupt, inaccurate, or irrelevant records from a dataset, table, or database.It involves detecting incomplete, incorrect, or inaccurate parts of the data and then replacing, modifying, or deleting the affected data. [1]

  4. Data deduplication - Wikipedia

    en.wikipedia.org/wiki/Data_deduplication

    In computing, data deduplication is a technique for eliminating duplicate copies of repeating data. Successful implementation of the technique can improve storage utilization, which may in turn lower capital expenditure by reducing the overall amount of storage media required to meet storage capacity needs.

  5. Record linkage - Wikipedia

    en.wikipedia.org/wiki/Record_linkage

    Interactive record linkage is defined as people iteratively fine tuning the results from the automated methods and managing the uncertainty and its propagation to subsequent analyses. [20] The main objectives of interactive record linkage systems is to manually resolve uncertain linkages and validate the results until it is at acceptable levels ...

  6. Replication (statistics) - Wikipedia

    en.wikipedia.org/wiki/Replication_(statistics)

    Replication in statistics evaluates the consistency of experiment results across different trials to ensure external validity, while repetition measures precision and internal consistency within the same or similar experiments. [5] Replicates Example: Testing a new drug's effect on blood pressure in separate groups on different days.

  7. 3 innovative ways banks are helping protect you from ...

    www.aol.com/finance/3-innovative-ways-banks...

    3. Banks are taking a proactive approach to educate consumers on security. When it comes to keeping their customers abreast of the latest ways to bank securely, banks may turn to emails, in-app ...

  8. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined based on the cost, time, or convenience of collecting the data, and the need for it to offer sufficient statistical power. In complex studies ...

  9. 7 Easy Ways to Stimulate Your Brain As You Age ... - AOL

    www.aol.com/7-easy-ways-stimulate-brain...

    Put the phone down and grab a book. Whether you prefer a steamy romance novel, a fascinating piece of nonfiction, or a moody mystery, reading boasts tons of benefits for your brain.