-1
votes
1answer
69 views

ArcGIS Statistics tool problem

I have an excel file for average rainfall by month and I added that on ArcMap. while I tried to check the statistics the tool is passive for last 3 months and I checked the data on arcmap, they are ...
5
votes
2answers
595 views

Importing attributes from Excel file into new Polygons

I have a constantly updated Excel file containing address information which I am currently copying into the attributes of new polygons which I am creating on a daily basis. I am currently doing this ...
3
votes
1answer
522 views

Why are the results from the same data different in ArcGIS vs MS Excel?

I have done some interpolation in Geostatistical Analyst in ArcGIS and I got the Standard Deviation (SD) a bit different from the SD that I calculated in Excel Spreadsheet. What algorithm does each ...
1
vote
1answer
224 views

ArcPy: Creating weekly-sum layers by summing field values from seven consecutive daily .dbf's

So I have 490 consecutive daily rainfall shapefiles/.dbf files in a single directory. Each consists of a uniform even-spaced grid of 220 points having uniform pointIDs, number of records, field names ...
4
votes
2answers
1k views

VBA functions use in ArcGIS Field Calculator

Would this be ok to use them for the field calculator in ArcGIS 9.3 ? See here MS Excel VBA Functions Or should I fix them in MS Excel and save as a file and then use the join with the shapefile or ...
7
votes
2answers
391 views

Data-type detection in ArcGIS table loading

When adding tables layers from Excel files, ArcGIS attempts to guess the data-types: Microsoft Excel does not enforce field types for values during data entry like standard databases do. ...