Challenge 4 - Days with price changes You are using KNIME to monitor the daily price of a product online. After using the Line Plot node to visualize the daily prices you have already gathered, you notice that they are often constant for a certain number of days before changing again. You want to create a new column in the price data you have at hand, named "Change", such that its value is 1 if a daily price changed with respect to the previous day, or 0 if it remained unchanged. For the first daily price in the data, the "Change" value should be 1. As an example, if the initial daily prices look like: Date Price 2015-01-01 10 2015-01-02 10 2015-01-03 11 You should end up with data in the following format: Date Price Change 2015-01-01 10 1 2015-01-02 10 0 2015-01-03 11 1 Author: Emilio Silvestri (https://hub.knime.com/emilio_s) Dataset: Daily Prices in the KNIME Hub (https://hub.knime.com/alinebessa/spaces/Just%20KNIME%20It!%20Datasets/latest/Challenge%204%20-%20Dataset~X8vqcbhabggq6AtD/)
Used extensions & nodes
Created with KNIME Analytics Platform version 4.5.1
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