How do you sum a column in ArcGIS?
Procedure
- In ArcMap, open the attribute table of the desired feature class to summarize.
- Click Summarize.
- In the Summarize dialog box, specify the field and attribute(s) to summarize.
- Click OK.
- Click Search.
- In the Join Field dialog box, configure the required fields and click OK.
How do you find the sum in ArcGIS?
- Open the table in ArcMap.
- Use Select By Attributes to select features where X = ‘PRO1E’
- Right-click on the X field and choose Summarize.
- Ensure that section 1 lists your field X.
- In section 2 of the dialog, specify the Sum of the Area field.
- Ensure the “Summarize on se lected records only” checkbox is ticked.
Why do I get error number of shapes does not match table records?
Below are some common causes that produce the error. Adding or deleting records to the DBF table in another software package, such as Microsoft Excel or Microsoft Access. A system failure occurs while the shapefile is being edited and the shapefile is saved in a corrupted state.
What to do if number of shapes does not match number of DBF Records?
If the number of DBF records is less than the number of shapes, add records until the number of shapes matches the number of records. If the number of DBF records is more than the number of shapes, delete records until the number of shapes matches the number of records. Save the DBF file.
How to check number of shapes in shapefile?
Run the SHAPEARC command on the shapefile. Run DESCRIBE on the output coverage. Make note of the number of shapes. Open the DBF corresponding to the shapefile. Compare the number of records of the DBF to the number of shapes resulting from the DESCRIBE command.
Why do I get an error when I open a shapefile?
Accessing or viewing a shapefile in ArcMap or ArcCatalog returns the error: There is a mismatch between the number of features and the number of records in the DBF file. This can be caused by editing the shapefile DBF table in Microsoft Excel, or by an ArcMap crash while the shapefile is being edited.