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Castor EDC Calculations Manual
Introduction to calculations: the basics
- Introduction to calculation fields and syntax in EDC/CDMS
- Using the "if-else" logic
- Forcing Castor to calculate with empty fields in EDC/CDMS
- Using the "for loop" in calculations in EDC/CDMS
- Comparing variables with calculation fields in EDC/CDMS
- Compare several numerical variables against a specific variable in EDC/CDMS
- Execute the calculation if not all variables have been filled in with in EDC/CDMS
General calculation templates
- Calculating with checkbox fields in EDC/CDMS
- Calculate with grid fields in EDC/CDMS
- Check if a number contains X number of digits or decimal places in EDC/CDMS
- Validation or dependency on an empty field in EDC/CDMS
- Calculate the score from several variables in EDC/CDMS
- Converting weight and length units in EDC/CDMS
- Check if a repeating data instance was added in EDC/CDMS
- Check if a text field contains any numbers in EDC/CDMS
- Check if all fields are filled in with in EDC/CDMS
- Check if the inclusion criteria are met in EDC/CDMS
- Check if all fields are complete (and list empty fields) in EDC/CDMS
- Calculating with numbers in grids in EDC/CDMS
- Rounding numbers: EDC/CDMS
- Calculating with grids: dates in EDC/CDMS
- Allow data entry with different measurement units in EDC/CDMS
- Validate grid field values in EDC/CDMS
- Adding a dependency on a grid field in EDC/CDMS
- Calculate the median of a set of values in EDC/CDMS
- Force not to round a calculation result in EDC/CDMS
- Validate capital letters in a text field in EDC/CDMS
- Predefined variables in EDC/CDMS
- Calculate the average in EDC/CDMS
- Check if the 'upload file' field is empty or not in EDC/CDMS
Calculations with date and time
- Doing date (and time) calculations in EDC/CDMS: the basics
- Using if/else logic with dates in EDC/CDMS
- Check if a date is before another date and show an error in EDC/CDMS if so
- Show a message in EDC/CDMS when the date is more than X days before today or in the future
- Add hours and minutes to a datetime field in EDC/CDMS
- Add a month to a date in EDC/CDMS
- Subtract a month from a date in EDC/CDMS
- Adding hours or minutes to a time field in EDC/CDMS
- Extract only date or time from date and time field in EDC/CDMS
- Check if year is in the future in EDC/CDMS
- Calculations with Number & Date Field
- Check if the last visit date matches the end of study date in EDC/CDMS
- Calculate the duration using time fields in EDC/CDMS
- Adding today's date in EDC/CDMS
Date and time difference templates
- Calculate the difference between two dates: EDC/CDMS
- Calculate time difference between two time fields: EDC/CDMS
- Calculate the age using a date variable: EDC/CDMS
- Calculate the age using a year or year and month variable: EDC/CDMS
- Check if the difference between two dates is between limits: EDC/CDMS
- Calculate time difference in seconds (using text fields): EDC/CDMS
- Calculate the difference between two datetime fields: EDC/CDMS
- Calculating the difference using a date and a time field: EDC/CDMS
- Calculate time difference in hh:mm:ss (using text fields): EDC/CDMS
Popular Articles
- Calculate the difference between two dates: EDC/CDMS
- Calculate time difference between two time fields: EDC/CDMS
- Submit a question or request
- API R package troubleshooting
- Two-factor authentication in EDC/CDMS
- Using the "for loop" in calculations in EDC/CDMS
- The study 'Settings' tab in CDMS
- Define user rights in CDMS
- Add a comment to a field in EDC/CDMS