Mock data is from the week 3 programming exercise of Andrew Ng's machine learning course on Coursera.
Forked from Brice Pierre de la Briere to include user-supplied parameters and plot of J(θ) over iterations.
Data are from the freetrade dataset of the Amelia package.
Missing data is represented by filled circles, and columns represent unique patterns of missing data within an observation. The percentage of observations having a given pattern is reflected in the bar chart on top. The percentage of missing values for a given variable across all observations is reflected in the bar chart to the right.
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Data: Workforce and Economic Development (2010-2013) from Open Baltimore
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