comprofile: comparative profiling

In laynelv/isenso: intelligent sensory tests: a package of R programming for food sensory & consumer evaluations.

Description

Comparative Profiling is a descriptive sensory technique used to measure the relative difference between two products for a set of sensory attributes, one product being chosen as the reference sample. The product and the reference sample are presented at the same time, side by side.

Calculate each sensory attribute's mean score and 0.95 confidence interval, use a bar plot with error bar to visualize the results.

Usage

comprofile(data = NULL, firsta = 4)

Arguments

data	a data frame, contains product,panelists names in rows and attributes in columns.
firsta	the column number of the first sensory attribute.default is 4.

Value

mean	the mean score of attributes
sd	standard deviation
ci	confidence interval of mean, default level is 0.95
significant	'Yes' means the sample is significant different from REF in this attribute.

Author(s)

Layne lv ([e-mail])

See Also

ggplot2

Examples

data(comprofile_data)
comprofile(comprofile_data)

laynelv/isenso documentation built on May 20, 2019, 8:26 p.m.