EDA Capstone

EDA Data Dictionary

Read the Columns

Start with four pinned columns: day, channel, orders, and note. Before plotting, assign roles. day is the date column, channel is a label column, orders is the value column, and note is context to leave out of the plot.

A tiny data-dictionary readout: inspect column types, units, and roles before choosing which fields belong in a plot.

highlighted = computed this step

Read the data dictionary

Start with 4 pinned columns and read their types and units.

read dictionary\text{read dictionary}
Tiny Data Dictionarycolumntypeunitmeaningdaydatedaywhen the row happenedchanneltextnamewhere the row came fromordersintegerorderscount to measurenotetextnonecomment for reading

Assign plotting roles

Assign roles before plotting: day is date, channel is label, orders is value, note is context.

assign roles\text{assign roles}
Column Roles Before Plottingcolumnroleplot usedaydatex/date axischannellabelgroup or labelordersvaluey/value axisnotecontextdo not plot

Choose columns before plotting

For orders by day, choose day as the date column and orders as the value column.

choose columns\text{choose columns}
Plot Plan from the Dictionarychoicecolumnquestionorders by daydate columndayvalue columnorderslabel columnchannelleave outnote

Check the plan

Check: use day for date, orders for value, channel for label, and leave note out of the plot.

plot plan\text{plot plan}
Plot Plan from the Dictionarychoicecolumnquestionorders by daydate columndayvalue columnorderslabel columnchannelleave outnote