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  2. Data analysis - Wikipedia

    en.wikipedia.org/wiki/Data_analysis

    Data mining is a particular data analysis technique that focuses on statistical modeling and knowledge discovery for predictive rather than purely descriptive purposes, while business intelligence covers data analysis that relies heavily on aggregation, focusing mainly on business information. [4]

  3. Data modeling - Wikipedia

    en.wikipedia.org/wiki/Data_modeling

    Data modeling in software engineering is the process of creating a data model ... The ANSI/SPARC three level architecture. This shows that a data model can be an ...

  4. Statistics - Wikipedia

    en.wikipedia.org/wiki/Statistics

    Exploratory data analysis (EDA) is an approach to analyzing data sets to summarize their main characteristics, often with visual methods. A statistical model can be used or not, but primarily EDA is for seeing what the data can tell us beyond the formal modeling or hypothesis testing task.

  5. Quantitative analysis (finance) - Wikipedia

    en.wikipedia.org/wiki/Quantitative_analysis...

    Quantitative analysis is the use of mathematical and statistical methods in finance and investment management. Those working in the field are quantitative analysts (quants). Quants tend to specialize in specific areas which may include derivative structuring or pricing, risk management, investment management and other related finance occupations.

  6. Statistical model specification - Wikipedia

    en.wikipedia.org/wiki/Statistical_model...

    One approach is to start with a model in general form that relies on a theoretical understanding of the data-generating process. Then the model can be fit to the data and checked for the various sources of misspecification, in a task called statistical model validation. Theoretical understanding can then guide the modification of the model in ...

  7. Search and matching theory (economics) - Wikipedia

    en.wikipedia.org/wiki/Search_and_matching_theory...

    Matching theory has been widely accepted as one of the best available descriptions of the frictions in the labor market, but some economists have recently questioned its quantitative accuracy. While unemployment exhibits large fluctuations over the business cycle , Robert Shimer has demonstrated that standard versions of matching models predict ...

  8. Modeling and simulation - Wikipedia

    en.wikipedia.org/wiki/Modeling_and_simulation

    Modeling and simulation (M&S) is the use of models (e.g., physical, mathematical, behavioral, or logical representation of a system, entity, phenomenon, or process) as a basis for simulations to develop data utilized for managerial or technical decision making. [1] [2]

  9. Entry-level job - Wikipedia

    en.wikipedia.org/wiki/Entry-level_job

    Entry-level jobs targeted at college graduates often offer a higher salary than those targeted at high school graduates. These positions are more likely to require specific skills, knowledge, or experience. [1] Most entry-level jobs offered to college graduates are full-time permanent positions and some offer more extensive graduate training ...

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