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hi, i've encountered a weird thing with raster data in Arcmap 10.2. I use the classification statistics dialog box to get information about raster data properties like sum, mean etc (via Table of contents, [right click] properties> symbology...). For instance, i plot the sum of the raster data vs some other parameters and later i do regression analysis in excell.. when i display a raster and enter the classification statistics dialogbox i get some statistics. I work with floating point rasters do i can't do this via an attribute table. BUT, if i let arcmap calcualte unique values before i enter the classification statistics dialog box, i get different (higher) statistics!? for the analysis, i've decided to let arcmap calculate unique values before i get the statistics i need, but i guess the trend im looking for would have been there anyways.. How can this be possible, and for which purpose does arcmap work like this? Best, Mårten, Sweden.
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03-19-2015
01:29 AM
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hi ok, well, i guess feeling confident with the software is only halfway these days, you need computer engineering skills as well....you can never get enough of knowledge though=) i'll check out the link and see if i get any smarter. Probem's still there though. However, i was never sure it had anything to do with ArcMap, but it has happened when ArcMap was the only program running. the OS on my computer is Windows 7, 64 bit. It's a client version, managed under the WICKS system, which i know little about. That said, i'm not in charge over the computers settings and processing environment in any way. I've not interfered previously with the virtual memory settings, but that might as well have something to do with this. I'm not sure i can access those settings though.. Thanks for the replies, if i managed to figure out a solution, i'll post it here. /Mårten, Sweden
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11-14-2014
04:42 AM
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hi i'm not sure this is the right topic for this question, but as the Spatial Analyst is what I mainly work with, i'll post it here. My problem is related to memory. ArcMap (10.2) wont release RAM after being closed, but cahce it somehow. It's the only program in my laptop that behaves this way, and it was reinstalled recently as an attempt to get rid of the problem. It's quite cumbersome as i from time to time have to quit my geoprocessing, save and restart my lap. I cant run models with more than a few tools either, but i can run them separately.... I'm using windows 7. i would be most grateful for any hints on this...
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04-01-2014
11:28 PM
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