This directory contains 11 workflows.
Solution workflow to an exercise for reading data from a file. CHECK YOUR ANSWERS: a. The reader nodes used in this exercise are CSV Reader/File Reader, […]
Solution to an exercise for reading data from a database. CHECK YOUR ANSWERS: The connector node to use here is the SQLite Connector […]
Solution to an exercise for filtering rows and columns. CHECK YOUR ANSWERS: Out of the adults in the data a. 4441 are divorced b. 10680 are never […]
Solution to an exercise for transforming data. Perform data transformations with the Rule Engine, Math Formula, and String Manipulation nodes, or […]
Solution to an exercise for data visualization. Explore statistics and relationships in data with the Data Explorer, Scatter Plot, and Table View nodes. […]
Solution to an exercise for data aggregation. Calculate summary statistics for subgroups of data with the GroupBy and Pivoting nodes. CHECK YOUR […]
Solution to an exercise for joining and concatenating data. Combine data tables side-by-side using the join operation. Put tables on top of each other […]
Solution to an exercise for training a model for numeric prediction. Train and apply a linear regression model. Evaluate the performance with numeric […]
Solution to an exercise for training a classification model. Train and apply a decision tree model. Evaluate the model's performance with scoring metrics […]
Solution to an exercise for exporting data. Aggregate data and write the results into a CSV file. CHECK YOUR ANSWERS: Women with income >50K are in […]
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