Replace missing or Null values

Option 1: Use ZN

Select Analysis > Create Calculated Field
In the Calculated Field dialog box that opens, do the following, and then click OK:
1. Name the calculated field. In this example, the calculated field is named "Replace empty cells with zero (opt 1)"
2. In the formula field, create a calculation similar to the following:
```
ZN(SUM([Amount])) 
```
- The ZN() function will replace any NULL values with zero
Create a calculated field with a name like " Replace empty cells with last value (opt 1) " with a calculation similar to the following:
- IFNULL(
  SUM([Amount]),
  PREVIOUS_VALUE(0)
  )
- IFNULL(..., PREVIOUS_VALUE(0)) will replace any NULL values with the last value of this calculation, which creates a running last value.
- Depending on how the view is built, it may be necessary to compute PREVIOUS_VALUE() differently.
Replace [Amount] on Text on the Marks card with either [Replace empty cells with zero (opt 1)] or [Replace empty cells with last value (opt 1)] depending on the desired end result
(Optional) Customize the values in the view by right-clicking the value and formatting it as desired.

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