noun[mass noun] Statistics
A method of analysis which involves finding the linear combination of a set of variables that has maximum variance and removing its effect, repeating this successively.
More example sentences
- Vegetation structure was also quantified with principal component analysis because multivariate measures of vegetation can lead to more powerful interpretations by examining the interrelationship among variables.
- We conducted principal component analysis for all characters, including all individuals of the five species, and also for each species separately.
- The high- and low-pressure spectra were chosen from the time series by analyzing the series with principal component analysis and using the scores of the first component to pick out the extremes.