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Questions tagged [geography]

The tag has no usage guidance.

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Building models from spatial data [closed]

I would like to know which are the most accepted ways of introducing spatial data into a regression model. Let's say, for the sake of example, that we are getting an observation from each of the ...
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A descriptive geographic statistics, or descriptive arithmetics question

[Please point me to a more statistical/arithmetical part of stack exchange if there is one. I can't find it] Country A has 16 million inhabitants and 2.000 MW of solar panel generated power, also a ...
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Explaining Index of Dissimilarity

The Index of Dissimilarity is certainly one of the most common measure of segregation and often computed using this formula:s 0.5*Sum |Ni/N - Wi/W| However, it is not clear to me why the difference ...
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3answers
179 views

Testing Hypothesis with Time series and Location Data

I have Data on Prices of house. Along with these variables. 1) Location i)Latitude-Longitude ii)City and State 2) Attribute of house. ...
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Density on Worldmap based on Relative Frequency [closed]

I'm trying to plot a 2d density on a worldmap. The problem is most of my points are around the same coordinates. My current map looks like this: Code for map: ...
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0answers
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How do I compare two geographic datasets with differing subdivisions?

Suppose I'm trying to figure out the relationship between home-ownership and wine drinking. My information on where home-owners live comes from the census, and it divides a given geographical area up ...
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1answer
102 views

Correlation Between Locations

I have two data sets both matrices of latitudes and longitudes. $A = [(X,Y),(X_2,Y_2)]$ $B = [(X_3,Y_3),(X_4,Y_4),(X_5,Y_5)]$ They are of different sizes I want to calculate by how much each of ...
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112 views

Input geolocation Data in Neural Network

I am working on a Neural Network that should predict certain transport-tariffs based on start and end region of the transport. The region can take different forms, from a whole country to a range of ...
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0answers
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Clustering/pairing users based on multiple lat/lon values?

I have a data set that contains entities and lat/lon values for each one, potentially multiple lat/lon values. I believe that some of these entities may actually be the same person, although I can't ...
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1answer
60 views

How to predict the Geo-data such as elevation, given a set of data for training, what would be the best approach?

Lets say that I would like to predict or forecast the elevation of a certain coordinate on a map. What I have is the data of random points in, lets say, 50km radius from the point I would like to ...
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1answer
93 views

What is the right way to incorporate geographic data into a prediction?

Illustrative Problem I have a number of geographically dispersed stores where I would like to understand what factors predict revenue. Each store has certain properties (sq ft, age, employees, etc.). ...
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Finding the non-linear curve that minimize the (sum of squared) distance to a set of point

I'm looking for the best approach to find the non-linear curve that minimize the mean square of perpendicular distance from a set of points. In essence, I would like to do non-linear major axis ...
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3answers
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Averaging predictions from two different models

First, a short introduction. I am predicting latitude/longitude using Random Forests and XGBoost based on several environmental variables and custom features such as cluster IDs (there are obvious ...
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1answer
1k views

ML model selection for prediction of latitude and longitude

I am doing a project in which my aim is to predict the likely locations of a set of latitude/longitude points based on a couple of variables. Since I've never done any ML on locational data, which ...
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0answers
64 views

How to compare number of incidents in different geographical areas when they have different population size?

I'm trying to make comparisons between number of incidents that happened in different zip codes. The goal is to figure out whether those incidents happen more frequently in certain areas than others. ...
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0answers
45 views

How to incorporate intraspecific variation in discrete characters in comparative analysis?

I'd like to run a multivariate analysis (Pavoine et al. 2011) that aims to disentagle the effect of environmental gradients on traits, considering its autocorrelation with phylogeny and space. It uses ...
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1answer
1k views

What is the proper way of calculating the kernel density estimate from geographical coordinates?

I have to calculate the 2d kernel density estimate (kde) from a list of latitude and longitude coordinates. But one degree in latitude is not the same distance as one degree in longitude, this means ...
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2answers
551 views

Predicting lat/long from binary features

I have a number of observations that occur around my city (a small area), and several of them have latitude and longitude. I have been looking into predicting the latitude/longitude of the ...
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1answer
84 views

Measuring rurality

An inhabitant of Vermont boasted on his web site that that is the most rural of all the fifty states. But Alaska, with fewer than a million people in an area bigger than France, has a far lower ...
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1answer
207 views

Partial correlations among three distance matrices

I am trying to test the hypothesis that related species should deviate more in niche space the more they overlap in geographic space. In other words, related species either forage similarly and don't ...