Tutorvo

ISERROR, ISERR, ISNA & ERROR.TYPE: Classify and Count Errors

Lesson 6 of 818 minLab

This lesson is part of the course

In this lesson

Before a supplier order file is imported, you label every line (unknown SKU, bad pack size or OK) with ISNA and ISERR, count the lines that would fail the lookup, name an error code and chart the result for the buyer.

Buy the course once for $9.99 to unlock every lesson and lab, the final exam and the certificate – lifetime access, no subscription.

Lessons in this course

  1. #DIV/0! & Safe Division: IF Tests vs IFERRORLab15 min Locked
  2. #N/A from Lookups: Trailing Spaces, Numbers Stored as Text & IFNALab18 min Locked
  3. #VALUE!: Text in Arithmetic, VALUE & SUBSTITUTELab15 min Locked
  4. #REF! & Broken References: Deleted Cells, Relative vs Absolute after CopyingLab18 min Locked
  5. #NAME? & #NUM!: Typos, Unquoted Text and Impossible MathsLab15 min Locked
  6. ISERROR, ISERR, ISNA & ERROR.TYPE: Classify and Count ErrorsLab18 min Locked
  7. Totals That Don't Add Up: Text Numbers, Double Counting & Check SumsLab20 min Locked
  8. Model Audit Checklist: Check Cells & Red FlagsLab22 min Locked