| Data Desk v6.1 - provides interactive tools for
data analysis and display
based on the concepts and
philosophy of Exploratory Data
Analysis. Data Desk implements
many traditional statistics
techniques suitable for data
from planned experiments and
sample surveys. However, the
programs true strength is its
powerful tools for data
exploration. These tools
simplify intuitive examination
of your data. No special
training in statistics is
needed for these insightful
graphic displays. Graphics
features of Data Desk include:
histograms, normal probability
plots, bar charts, pie charts,
dotplots, boxplots;
scatterplots, lineplots,
scatterplot matrix, multiple
lineplots, rotating plots, 3D
rotating surface plots,
cluster dendograms, non-linear
smoothers, regression lines,
and scatterplot overlays.Data
Desk can calculate summary
statistics for individual
variables, broken down by
categories and saved as
variables. These include:
mean, median, midrange,
midquartile range, biweight,
standard deviation, variance,
population standard deviation,
standard error, interquartile
range, range, sum of squares,
sum, count, skewness,
kurtosis, order statistics,
rank, minimum, and maximum.
Other statistical features of
Data Desk include: frequency
tables, contingency tables,
standard tests and confidence
intervals, nonparametric
tests, correlation,
regression, nonlinear
regression, support for ANOVA,
general linear models,
logistic regression, cluster
analysis, principal component
analysis, and transformations. |
Data Desk v6.1
