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Article from econometricsbysimulation.com Taking the very cool 'waterfall graph' code posted by Robert Grant I have added some features (resistance to distributions with sparse data at some areas) as well as the ability…Econometrics by Simulation: Waterfall and 3D plotting explorationEconometrics by Simulation: Waterfall and 3D plotting exploration7.17.2 3D WaterfallSummaryOrigin features an OpenGL-supported 3D waterfall graph. The 3D waterfall is a specific type of 3D wall graph with a wall width = 0. You can rotate, resize, stretch and skew the graph as with other Origin 3D graphs. What you will learnThis tutorial will show you how to:
Steps
Waterfall chart is a 2D plot that is used to understand the effects of adding positive or negative values over time or over multiple steps or a variable. Waterfall chart is frequently used in financial analysis to understand the gain and loss contributions of multiple factors over a particular asset. Waterfall chart is a 2-dimensional plot that is used to understanding the cumulative effects of sequentially added positive or negative values for a given variable. This will help you in knowing about how an initial value is increased and decreased over time or over a series
of intermediate steps. This type of plot is commonly used in financial analysis to understand how a particular value goes through gains and losses over time. Notice that only some of the columns (generally initial and final column) are shown fully and the other columns in between are shown as floating columns( they only show the increase or decrease in the value). We will look into how to draw a waterfall chart like the one shown above. First, you need to install the
Then I am going to import all the required libraries that I will be using in this article.
Now, let’s look at how to plot a simple waterfall chart in Python. Simple Waterfall PlotUse the
You can see that it took the initial value and started adding and subtracting the values that I have passed and also calculated the final left out amount. The increasing values are shown in green color and the decreasing values are shown in red color. This plot is used extensively in the finance sector for checking their revenues. Varying parameters in Waterfall plotSet
As you can see the values are sorted based on their absolute values in descending order. Use the
There is also another command If you set the value of the threshold to be 0.5, then it will take only the first half of the dataset and show it in the graph. The other part will be shown in the other column.
Analyzing a waterfall chartA waterfall chart can be used for analytical purposes, especially for understanding the transition in the quantitative value of an entity that is subjected to increment or decrement. Let’s look at a waterfall chart containing yearly data with revenue from each quarter
and try to get some insights. The first column Then during the next half, the value decreased in the 3rd quarter and increased in the 4th quarter leading to a total value of 425. Waterfall charts represent increasing values in green color and decreasing values in red color. Waterfall charts can also be used in various cases like inventory and performance analysis. Waterfall Chart for Interpreting Feature ImportanceI am going to be using the Download the dataset from the given link : Now, let’s look at the code.
Let’s use
From the above output, you can use the column names and contributions to draw the
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This article was contributed by Venmani. |