An approach to decrease the size of very large data sets in which the data are first 'binned' and then statistics such as the mean and variance/covariance are calculated on each bin. These statistics are then used to obtain a new sample in each bin to construct a reduced data set with the similar statistical properties to original one.

Posted Date: 7/27/2012 2:03:17 AM | Location : United States

Ask an Expert

Related Discussions:- Data squashing, Assignment Help, Ask Question on Data squashing, Get Answer, Expert's Help, Data squashing Discussions

Write discussion on Data squashing
Your posts are moderated

Write your message here..

Related Questions

Data fusion, The act of combining data from heterogeneous sources with the ... The act of combining data from heterogeneous sources with the intent of extracting information that would not be available for any single source in isolation. An example is the com

Effect sparsity, The term which is used in the industrial experimentation, ... The term which is used in the industrial experimentation, where there is commonly a large set of candidate factors believed to have the possible significant influence on the respon

Linear regression, regression line drawn as Y=C+1075x, when x was 2, and y ... regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual

Frequency distribution, The division of a sample of observations into sever... The division of a sample of observations into several classes, together with the number of observations in each of them.  It acts as a useful summary of the main features of the da

Cross-sectional study, A study not involving the passing of time. All infor... A study not involving the passing of time. All information is collected at the same time and subjects are contacted only once. Many surveys are of this type. The temporal sequence

Forecast, The particular projection which an investigator believes is most ... The particular projection which an investigator believes is most likely to give an accurate prediction of the future value of some process. Commonly used in the context of the anal

Explain human height growth curves, Human height growth curves : The growth... Human height growth curves : The growth of human height is, in common, remarkably regular, apart from the pubertal growth spurt. The satisfactory longitudinal development curve is

Explain lie factor, Lie factor : A measure suggested by Tufte for judging t... Lie factor : A measure suggested by Tufte for judging the honesty of the graphical presentation of data. Which can be calculated as follows   The values close to one are desir

Re-reference a series, re-reference all these indexes re-reference all these indexes

Two - stage distillation process, A mixture of benzene, toluene, and xylene... A mixture of benzene, toluene, and xylene enters a two-stage distillation process where some of the componentsare recovered. The distillation process operates at steady-state condi