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Visual cue
A characteristic (like position, color, or height) used in graphics to indicate data variables.
Token
The unit of observation in text mining, such as a word or phrase.
Stop words
Commonly used words (e.g., articles, prepositions) often filtered out during text analysis.
Bar chart
A graph that depicts the frequency of values for a categorical variable.
Histogram
A graphical representation of the frequency distribution of numerical data.
Measure of centrality
Statistics that summarize a dataset by identifying the center or typical value.
Interquartile Range (IQR)
A measure of statistical dispersion, calculated as the difference between the third and first quartiles.
Choropleth map
A thematic map where areas are shaded or patterned in proportion to the value of a variable.
Outlier
A data point that differs significantly from other observations in a dataset.
Scale_x_continuous()
A function in ggplot used to specify the range and increments of a continuous x-axis.