Visualizations. Cyclical data. Comparison. What would you like to show? Composition. Simple share of total. Relative and absolute differences matter
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1 Visualizations Variable width chart Table or tables with embedded charts Bar chart horizontal Circular area chart per item Many categories Cyclical data Non-cyclical data Single or few categories Many categories Few categories One variable per item Over time Among items Comparison Single variable Few data Bar histogram bubble size Relationship What would you like to show? Distribution Many data Line histogram Three Composition Changing over time Static Simple share of total Accumulation or subtraction to total Components of components Accumulation to total & absolute difference matters Stacked area chart Stacked area chart Pie chart Waterfall chart w/subcomponents Tree map Source: A. Abela,
2 Comparison Visualizations Variable width chart Table or tables with embedded charts Bar chart horizontal Circular area chart per item Many categories Cyclical data Non-cyclical data Single or few categories Many categories Few categories One variable per item Over time Among items Comparison Comparison charts are used to compare the magnitude of values to each other and can be used to easily find the lowest and highest values in the data. It can also be used to compare current values versus old to see if the values are increasing or decreasing. Common questions are what products sells best and how are our sales compared to last year.
3 Composition Visualizations Stacked area chart Stacked area chart Pie chart Waterfall chart w/subcomponents Tree map Simple share of total Accumulation or subtraction to total Components of components Accumulation to total & absolute difference matters Changing over time Static Composition Composition charts are used to see how a part compares to the whole and how a total value can be divided into shares. A composition charts shows the relative value, but some charts can also be used to show the absolute difference. The difference is between looking at percentage of total and value of total. Commons questions are how big part of the market to we have in a region or what areas is our budget divided into.
4 Distribution Visualizations Bar histogram Line histogram Few data Many data Single variable Distribution Distribution charts are used to see how quantitative values are distributed along an axis from lowest to highest. Looking at the shape of the data a user can identify characteristics such as the range of values, central tendency, shape and outliers. It can be used to answer questions such as number of customers per age group or how many days late are our payments.
5 Relationship Visualizations bubble size Three Relationship Relationship charts are used to see the relationship between the data and can be used to find correlations, outliers and clusters of data. Common questions are is there a correlation between advertising spend and sales for our products or how does expenses and income vary per region and what s the deviation.
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