Questions tagged [statistics]
Collecting and analyzing numerical data or making numerical summaries of data.
433 questions
0 votes
0 answers
36 views
Multicollinearity test for both categorical vector data and continuous raster data
I’m conducting a multicollinearity test on my dataset, which includes both categorical vector data and continuous raster data. The results show that two variables (Rainfall and TRI) have very high ...
1 vote
1 answer
54 views
Syntax for adding values in one column of attribute table based on value in another column ArcGIS Pro
I have several shapefile layers with census tract data in ArcGIS Pro. There are two types, layer A, with only the tract number - therefore statistics (count, percentage, etc) are based on the entire ...
- 11
0 votes
0 answers
49 views
Unrealistic standard deviation in Zonal Statistics of ArcGIS Pro
I'm using the Zonal Statistics as Table tool in ArcGIS Pro 3.2.0 to calculate the average raster values for each polygon feature (I have 4 polygons in total). While the mean values seem reasonable, ...
- 31
2 votes
2 answers
387 views
Summary statistics from selection in attribute table
I am trying to calculate statistics (sum) from a selection in the attribute table. I know how to calculate the sum from an entire field, but not from a specific selection. In this case, I have a ...
- 21
1 vote
1 answer
190 views
ArcGIS Pro calculate sum of different feature class fields
I'm trying to calculate solar power production of one region using ArcGIS Pro. I calculated each building's power and I have 31 feature classes that have "Usable_Sr_kWh" field (Total ...
- 11
0 votes
0 answers
56 views
Box plots in ArcGIS Online
I can't seem to figure out how to get box plots to appear in popups in ArcGIS Online. First, is this even possible? I am trying to find a good way to show summary statistics for four different ...
- 49
3 votes
1 answer
236 views
Missing values (NULL) handling in QGIS Statistics Panel
The handy Statistics Panel in QGIS 3.34.3-Prizren (accessible from the summation button) does not seem to recognize NULL values. I have a layer with about 10% NULL values but the Statistics Panel ...
- 41
1 vote
1 answer
120 views
Make statistical expression for field calculator
I have a vector layer called 'Stations' and a table called 'Attitude' and a relation exists between the table's ('Attitude') "Staion_id" field and vector layer's ('Stations') "uuid"...
1 vote
1 answer
325 views
Find coordinates corresponding to max and min values using Python
I'm using GDAL and numpy so far in my Python program. I am able to get the max and min values of a band within a .grib2 file with: def getDataStats(grib2Filepath, bandNr): local_minimum = None ...
- 87
2 votes
1 answer
171 views
QGIS - atlas print composer how to display mutiple values when adding attribute table?
I have this attribute table. I locked my atlas generator by county. For each, I want the statistics of all the cities that are in each county. For example : If the page of SICARIO is showed I want : ...
- 125
1 vote
0 answers
52 views
Zonal statistics
I am using Python on Visual Code Studio. Basically, I have two raster images, GHS SMOD (which classifies areas into 8 catergories of urban) and GHS POP (which uses world pop to calculate population). ...
0 votes
0 answers
161 views
Regarding Geographically Weighted Regression (GWR) for non-linear problems
I am new to this topic. I am referring to this Geographically Weighted Regression tutorial. From my understanding, GWR does a weighted regression to model the dependencies between exploratory and ...
1 vote
0 answers
149 views
Different volume results in QGIS by using Raster Surface Volume and raster statistics
I have seen many questions similar to mine, but did not find an answer to my problem. I am using QGIS version 3.28.11-Firenze. I have a raster representing the difference between two DEMs on a fluvial ...
- 11
1 vote
1 answer
178 views
ArcGIS Pro: Area of certain land cover types for each main type (simplifiable?)
I have multiple areas with a unique ID (wetland sites) and now want to calculate the area of certain land cover types (grassland, woodland etc.) for each wetland site. I found a solution but am ...
- 13
0 votes
0 answers
32 views
Creating table from distance raster
I have made a distance raster in ArcMap using the Euclidean Distance tool from one town to another that appears to be OK (see attached image). I'm trying to determine the distance from each parcel in ...
- 1