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John Wakaba
John Wakaba

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EXCEL KEY ASPECTS FOR DATA ANALYSIS

CONDITIONAL FORMATTING

It is one of excels most powerful features that allows you to visually enhance your spreadhsheet by automatically changing the appearance of cells based on their values or logical conditions.

Conditional formatting helps in

  • Flagging underperformance

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  • Highlight outstanding results

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  • Make interactive and informative dashboards

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  • At a glance one can see patterns or outliers ## DATA VALIDATION

Data validation allows you to control what kind of data can be entered into a cell.

It helps maintain accuracy, consistency, structure in large datasets.

Under data validation there are

  1. Drop down lists - Allow you to create a drop down menu in a cell with preset values

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  1. Whole number/Date/Text length rules - Restricts entries to certain numeric or date values and prevent invalid data types.
  2. Input Messages and error alerts: Enhance Data validation by providing helpful prompts and custom error messages. It is crucial when sharing templates with others or when collecting form data as it prevents invalid entries.

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TABLES AND STRUCTURED REFERENCES IN EXCEL

The excel table allows you to manage data efficiently.

Why Tables

  • Adds automatic filters to headers
  • Automatically expands when you add new rows
  • Makes formulas easy to read and manage
  • Enables quick totals and charts
  • Supports dynamic dashboards with slicers and filters

SLICERS WITH TABLES

Allow you to filter your table visually with clickable buttons

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