Sheldon Kallio

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as: Slope charts are an extension of line charts ideal for presenting changes over time. While line charts are effective at illustrating change over multiple time periods, slope charts excel at illustrating changes between two distinct time periods. The […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:     Eval Academy just released a new template, “Stratified Sampling Tool”! Who’s it for? The Stratified Sampling Tool is designed for researchers, evaluators, and data analysts who need to collect representative samples from large datasets. Anyone dealing […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:     Here we will continue our Data Visualization Applications series with an introduction to line charts. Line charts are a versatile and effective tool for charting time series or continuous data. Here we will outline how to […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:     In our evaluations, we use varying methods to collect random, representative samples. In most instances, collecting data on all members of a population isn’t feasible (i.e., too expensive and time intensive). Therefore, we rely on sampling […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:     The placement of axis labels in our data visualizations plays an important role in enhancing the clarity and impact of our charts. While Excel is a powerful tool for creating impactful data visualizations, its default charts […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:     Introduction As evaluators, we are presented with a swath of data from varying sources, which often contains personally identifiable information (PII). PII includes any data which can be used to identify an individual. These data may […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:     This is an accompanying piece to our Data Visualization Applications: Bar Charts tutorial.  While the standard bar chart is one of the simplest and most effective data visualizations, we sometimes want alternatives to freshen up our […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:     This will be the first installment in our Data Visualization Applications series. Here we will outline how to transform your data into effective data visualizations using our own tried and tested Data Visualization Best Practices. And […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as:  Data visualization is a powerful means of effectively telling stories with data. Too often the key messages of our data are lost to the confines of some burdensome table or cluttered chart attempting to present too much information. […]

This is an Eval Central archive copy, find the original at evalacademy.com. This article is rated as: Creating clean and consistent charts does not need to be complicated or time-consuming. With some forethought and a style guide, you can draft templates for all your charting needs. Chart templates will alleviate the pains of trying to […]