Making Charts

Bar Charts

  • [00:00] Creating a bar chart using categories and sales data.

  • [00:29] Explaining worksheets, dashboards, and stories for data presentation.

  • [01:15] Introducing three types of visualizations: number to number, category to number, and category to category.

  • [01:52] Demonstrating Tableau's 'Show Me' feature for creating visualizations.

  • [02:10] Creating a category to number visualization with sales data.

  • [05:07] Discussing the importance of using average sales for insights.

  • [06:17] Applying filters to focus on specific data segments.

  • [08:18] Adding details to visualizations for comprehensive insights.

  • [09:06] Exploring different chart types like stacked bar and bubble charts.

  • [09:42] Encouraging exploration of various visualization techniques.

Scatterplots

  • [00:00] The video starts with creating a chart using profit and sales as measures.

  • [01:15] It explains data aggregation and disaggregation to form a scatter plot for relationship analysis.

  • [03:45] The scatter plot reveals that increasing discounts lead to decreasing profits.

  • [05:10] Visualization is enhanced with filters, color coding, and trend lines to identify patterns.

  • [07:15] Regional analysis shows significant differences in discount rates.

  • [08:30] Concludes with insights on using scatter plots effectively, emphasizing trend lines and color coding.

Heat Maps

  • [00:00] Start by creating a chart for two dimensions and rename the worksheet to "Discount by Profit".

  • [00:22] Select product category and region as dimensions, setting up the initial table.

  • [00:56] Use chi-square analysis for sales occurrences across regions and categories.

  • [01:29] Handle null values by using order ID as a primary key.

  • [02:49] Initial bar chart attempt leads to a transition to a heat map.

  • [03:09] Identify order patterns: office supplies dominate in the west, technology is smallest in the south

  • [03:46] Prefer heat maps for visualizing categorical relationships

  • [04:14] Finalize the heat map and consider future enhancements

Geographic

  • [00:00] Introduction to Tableau's unique features compared to Excel, focusing on advanced capabilities.

  • [00:26] Creating calculated fields using Tableau's built-in language for custom formulas.

  • [01:28] Calculating profit ratio with the SUM function and proper field name input.

  • [02:38] Emphasizing creativity in data analysis and mastering Tableau's features.

  • [04:39] Formatting data, adjusting color schemes, and using stepped colors for visualization.

  • [07:18] Filtering data by region and profit ratio to highlight specific points.

  • [08:57] Utilizing geographic data and hierarchies for data aggregation.

Line and Area Charts

  • [00:00] Introduction to switching to the PC version of Tableau and setting up the environment.

  • [00:07] Creating line and area charts to display sales data over time, including adding sales data and order dates.

  • [00:32] Aggregating data by year and quarter, analyzing performance variations, and exploring insights from averages.

  • [01:48] Switching data views, treating dates as numeric values, and conducting detailed monthly analysis.

  • [03:07] Transitioning to area charts for clarity, adding profit ratios to tooltips, and formatting percentages.

  • [04:32] Categorizing data with color coding and applying date filters to focus analysis.

  • [05:23] Summary of displaying data over time using line and area charts.