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Plots from DataFrames: Data Visualization with Matplotlib: Uncharted

Courses Data Visualization with MatplotlibPlots from DataFrames

Plots from DataFrames

Turn raw DataFrame rows into grouped, pivoted, and time-aware views that are ready to plot.

Data Visualization with Matplotlib
Unit 9 of 12
20 lessons
162 min
420 XP

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Lessons

20 total

1Split, Apply, CombineOrder the three operations that turn detailed rows into a grouped summary.InteractiveConcept8 min20 XPOpen
2Group by One ColumnCompute one mean sales value for each region and display the summary.CodeConcept8 min20 XPOpen
3Group Then BarSort grouped means and turn them into a readable horizontal bar chart.CodeConcept8 min20 XPOpen
4Count the CategoriesCount repeated category values and plot the resulting frequencies.CodeConcept8 min20 XPOpen
5Two-Level GroupsReshape a two-key grouped result into a wide table suitable for grouped bars.CodeConcept8 min20 XPOpen
6Pivot to WideBuild a month by product pivot table and verify its labeled cells.CodeConcept8 min20 XPOpen
7Wide Makes LinesPlot every column of a wide DataFrame as its own labeled line.CodeConcept8 min20 XPOpen
8Dates BehaveParse text dates, sort them chronologically, and plot the ordered observations.CodeConcept8 min20 XPOpen
9Months from DatesExtract month numbers from parsed dates and compare monthly means.CodeConcept8 min20 XPOpen
10Rolling SmoothOverlay a seven-day rolling mean without hiding the observed daily series.CodeConcept8 min20 XPOpen
11Cumulative StoryTurn daily contributions into an honest year-to-date line.CodeConcept8 min20 XPOpen
12Top N and OtherKeep the three largest categories and preserve the remainder as Other.CodeConcept8 min20 XPOpen
13Share of TotalConvert category totals into percentages that preserve a complete whole.CodeConcept8 min20 XPOpen
14Fix the Double CountRepair a grouped chart that sums repeated ratings instead of averaging them.CodeConcept8 min20 XPOpen
15Label with a MapTranslate category codes into readable tick labels without changing the data.CodeConcept8 min20 XPOpen
16The Monthly ReportCombine grouping and pivoting in a two-panel monthly report.CodePractice8 min20 XPOpen
17Long vs Wide, RepriseChoose the table shape that supports grouping and multi-series plotting.InteractiveConcept8 min20 XPOpen
18Wrangle WorkoutTurn duplicate dated rows into a daily total and a three-day smoothed trend.CodePractice8 min20 XPOpen
19Raw to ReadyClean, group, pivot, plot, and style a small raw sales table.CodePractice8 min20 XPOpen
20Wrangling Mastery CheckCarry dated channel rows through grouping, reshaping, accumulation, and plotting.CodeMastery check10 min40 XPOpen

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