Create an include Requested file filter with wildcard like "/dir/*" (without quotes) to get information on the directory and its subdirectories only. [ View demo]

Create an exclude Spider filter and use "*" wildcard (without quotes) as a spider name to exclude all the recognized spiders. [ View demo]

If your log files contain information on multiple sites hosted on the same server, create an include Virtual domain filter to get statistics on the specified domain only.

If you wish to filter out requests for specific profile only you can use an exclude Host filter. You can also exclude such requests from all profiles using the host ignore list in Options > Analysis > Ignore Lists.