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N first rows: The sample obtained is taken from the first N rows of the initial table.
N last rows: The sample obtained is taken from the last N rows of the initial table. This method is only used if it is certain that the values have not been sorted according to a particular criterion which could introduce bias into the analysis
THE LEADING DATA ANALYSIS AND STATISTICAL SOLUTION FOR MICROSOFT EXCEL®
XLSTAT is a powerful yet flexible Excel data analysis add-on that allows 150,000+ users in over 120 countries across the world to analyze, customize, and share results within Microsoft Excel. When are you joining us?
Use of data sampling
Sampling is one of the fundamental data analysis and statistical techniques. Sampling aims at extracting a sample of size n from a dataset.
DATA SAMPLING
Use this tool to generate a subsample of observations from a set of univariate or multivariate data. Available in Excel using the XLSTAT add-on statistical software.
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