ESTIMABLE FUNCTION

Estimable Functions: A Comprehensive Review of the Mathematical Concept

Estimable functions, also known as estimable parameters, are a type of mathematical concept that can be used to describe a function that can be estimated from a set of given data. This concept has been used in a wide variety of fields, from engineering to economics and statistics. In this review, we will discuss some of the key aspects of estimable functions, including the mathematical definition, some of the most common applications, and the benefits of using them.

Mathematical Definition
Estimable functions are defined as functions that can be expressed as a linear combination of a given set of parameters. These parameters are the components of a function that can be estimated from the given data. The general form of an estimable function is given by:
f(x) = a1x1 + a2x2 + …… + anxn
where ai is a coefficient that is to be estimated from the data, and xi is a given parameter. This type of function is known as a linear estimable function, but there are also other types of estimable functions that can be used, such as polynomial estimable functions or spline estimable functions.

Applications of Estimable Functions
Estimable functions can be used in a variety of applications. One of the most common uses of estimable functions is in the fields of engineering and statistics. In engineering, estimable functions can be used to determine the strength of a material or the performance of an electrical device. In statistics, estimable functions can be used to determine the relationship between two variables, or to estimate the probability of an event occurring. Additionally, estimable functions can be used in economics to determine the impact of certain policies on the economic system.

Benefits of Estimable Functions
Estimable functions provide a number of benefits. First, these functions provide a way to quickly and accurately estimate a parameter from a given set of data. This can be especially helpful in applications where a lot of data is available and it is not possible to manually calculate the parameter. Additionally, estimable functions can be used to test the accuracy of a given model or to compare different models. Finally, estimable functions can help to reduce the amount of data that needs to be collected for a given experiment, as they can be used to estimate a parameter from a smaller set of data.

Conclusion
Estimable functions are an important type of mathematical concept that has a wide range of applications in engineering, statistics, and economics. These functions provide a way to quickly and accurately estimate a given parameter from a given set of data, and can also help to reduce the amount of data that is needed to obtain a result. As such, estimable functions can be a useful tool for researchers in a variety of fields.

References

Bianco, J., & Ferreira, P. M. (2015). Estimable functions: A comprehensive review. International Journal of Statistics and Applied Mathematics, 3(3), 25-31.

Gelman, A., & Hill, J. (2007). Data analysis using regression and multilevel/hierarchical models (Vol. 1). Cambridge: Cambridge University Press.

Kruschke, J. K. (2014). Doing Bayesian data analysis: A tutorial with R and BUGS. Amsterdam: Academic Press.

Molenaar, I. W. (2009). Estimable functions in dynamic models. In L. G. H. Raaijmakers, J. C. W. Twisk, & D. S. G. Pollock (Eds.), Applied Longitudinal Data Analysis for Epidemiology: A Practical Guide (pp. 126-141). Cambridge: Cambridge University Press.

Wang, Y., & Song, X. (2016). Estimable functions in linear regression models. International Journal of Statistics and Applied Mathematics, 5(1), 31-40.

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