Questions tagged [geospatial]

pertaining to the geographic location and characteristics of natural or constructed features and boundaries on, above, or below the earth's surface; esp. referring to data that is geographic and spatial in nature.

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How to deal with address (like zip-code) for training a model?

To me it doesn't make sense to normalize it even if it is a numerical variable like Zip Code. An address should be interpreted as categorical features like "neighborhood"... ? Suppose I have ...
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Machine learning cost/benefit for including priors in input vector

Is there a trade-off in accuracy/generalisation/performance when providing priors to a general machine learning algorithm vs training the machine learning algorithm with enough data so that it could ...
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Can pre-trained transformers (I.e., BERT) handle numerical/spatial data

I’m curious to know if pre-trained transformers could handle search queries that include numerical data or make references to spatial relationships. Take an example dataset of a list of restaurants, ...
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Optimize station coverage

I have ~10000 irregularly placed nodes in x,y space. Each node must be covered by a station. A node is defined as covered by a station if it is within 1000m of the station. Each station can only cover ...
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use cases of geocoding maps

Tableau has interactive maps that can be used for custom geocoding. I know companies often divide regions for sales and marketing purposes but could anyone think of any specific use cases or examples ...
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Detection of unloadings by GPS coordinates

I have a history of the car's movements, a list of GPS coordinates with timestamp (in GPX format). I'm new to ML, tried to solve but doesn't work well. I have several problems: How to correctly ...
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Which Orange Version for Geo With Point Clusters

A few versions back Orange Geo would show points as cluster areas (circles) or polygons bounding the cluster points. Does anyone know which Orange version this was? I vaguely remember Versions 3.22-3....
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GIS Data on US College Dormitories

I am trying to find spatial data on all (or as many as possible) US college dormitories. Specifically, I want to find the location as a polygon or centroid. I have tried a few methods to acquire this ...
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How to use Lat/Lon in machine learning prediction?

I am research meteorologist working with hurricane model forecasts of track (millions of lat/lon pairs) and their verified lat/lon pairs (essentially where the hurricane actually went). With the ...
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Tableau unable to map locations when names are similar

I have created a custom geocoding solution by inserting my own tables in a hyper file. I had a Names column where I had names in different formats for example a) 10.1.7.10 b) 10171.0 When I created my ...
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Geospatial clustering plot with zoom in Python?

I need to construct an interactive clustering plot. Ideally as the user zooms in the clusters would split-up into smaller clusters at certain zoom levels. I am planning to have several discrete levels ...
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Approach for spatial interpolation and filtering

I have several GeoTIFF images with one band (time-series of vegetation values) for one area however, taken from different orbits (positions), so I need to do either ...
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Save CSVs as hyper file

I have three separate CSV files (Points.csv, PointsSynonym.csv, and LocalDataPoints.csv). I made these files after extracting data from shape files and .gpkg files. I would like to save them all a ...
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Metrics for spatial datasets

I'm working on a dataset of computer game replays. Each replay file describes the game of two players as a timeseries of game commands, where each command has a type and coordinates, like so: ...
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What is a good way to handle nominal spatial data with a changing number of categories to use in prediction model?

For a project I'm going to be working with spatial data with a nominal attribute (land use). Every year the number of categories for this attribute changes because categories split or merge. I do have ...
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Finding Correlations in two Datasets

I have an assignment where I am trying to find correlations between Lightning Strikes and Telecommunication damage. The two datasets consist of many columns (especially the human-recorded ...
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Destination prediction with Naive Bayes and sparse output matrix

Given a dataset of historical cab rides, I'm trying to predict the final zip code destination of a ride based on the following features: origin zip code (e.g. 10006 Wall Street, Manhattan) pickup ...
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How to handle multi-channel 2-D geo-spatial grid like data samples in machine learning with number of features associated with each grid?

I am looking into a problem wherein the whole geographic area is divided into number of bins/pixels so we get nxn matrix covering whole region. Now each bin/pixel has number of parameters/features ...
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Spatially constrained geospatial similarity

What's the current methodology for clustering geospatial data by features? Example: I have some demographic dataset. Let's say this contains average home price and population density. So, an example ...
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2 answers
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Data Engineering Stack - collect, transform and visualize geospatial data

I'm making a side project, where I collect geospatial data by web scrapping and from OSM API. I've started with simple Java application, however, I would like to make it as a data flow, purely for ...
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Derivative of multi-output Gaussian Process

I am working on a project where I estimate transition and measurements models for a kalman filter using Gaussian Processes. In order to linearize the models I require the Jacobian of the estimated ...
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1 answer
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Geo Add-on Choropleth Widget not found

I am trying to create a Choropleth map using the Chorolpeth widget from the Geo Add-on in Orange. However, this widget is not appearing? Any ideas? My current version: Orange version 3.24.1 for ...
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How to measure the distance (in generalized sense) between geographical regions? [closed]

I need to construct a distance matrix for a few U.S. counties that are adjacent to one or another, and choosing the definition of distance is very tricky. The shortest path (i.e the minimum number of ...
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"Smearing" probabilities or how to handle imprecise locations for canonically classification-type problems

I am trying to predict failures at different nodes on a line. Each node has different weather features and hardware/configuration features. For a little under half of the historical failures I have, I ...
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Train building classifier for imagerial data

I am using the https://www.arcgis.com/ api for accessing imagery of aerial data. I would like to train a model that can caputure on the imagery if the provided ...
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How to plot a world map with cities in the right locations?

The data source is a CSV with cities in various countries in the world, each city has some numeric data associated with it. df.columns looks like: ...
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How to best use geographical information as a factor?

I am trying to predict crime rates and I have naively used lat and long as two separate factors (which seem to work well!). Are there any best practices for location as a factor?
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Can a machine learning model be trained on Call Detail Record(CDR) Data to predict user's daily locations?

I have a CDR data for two months and my goal is to extract daily or frequent locations(cell towers) of the user along with the departure and arrival time on those locations. The spatial resolution of ...
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Is there an alternative to Google Maps to find GPS coordinates of a place in Germany?

For probably any place on Earth, you can search it in Google Maps, make right-click, pick the option "What's here" and you get GPS coordinates. If I don't want to use Google Maps API, is there an ...
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Unsupervised Learning::Satellite Images::Single Bands

Has anyone has success with building models using KMeans for classification? I have images that only have one band and it continues to fail. My guess is that the issue is with both size of the image ...
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fast processing: changing the column value in a geospatial environment

I have a table whose header looks like this: complaint_type, borough, street_name, incident_zip, latitude, longitude 1) I want to check if the "incident_zip" column of each row is in a specific list ...
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1 answer
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Changing the value of a column based on the condition on another column

I have a table whose header looks like this: complaint_type borough street_name incident_zip latitude longitude I want to check if the "incident_zip" column of each row is in a specific ...
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How do I get the latitude and longitude information contained csv file? [closed]

I have already done a project on "Segmenting and Clustering Neighborhoods in Toronto" using the latitude and longitude information contained CSV file link attached with the question[http://cocl.us/...
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High Level Discussion: Generate synthetic sensor data using data from surrounding sensors

Let's assume I have readings coming from sensors. For every sensor, I have the following information: all the data it reads its location Now, given an arbitrary sensor at an arbitrary location ...
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GPS Data Preprocessing Recommandations?

GPS Data Preprocessing I got gps traces of busses which traveled from one place (bus station) to another. This file contains relevant(eg:- Data recorded between the starting bus station and ends ...
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2 votes
1 answer
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Create Nodes/Edges From CSV (latitude and longitude) for Graphs

The Ultimate Goal: I want to find the shortest and coolest (in terms of temperature) path between two points (for a given pair of latitudes and longitudes on the map)! I am aware of algorithms like ...
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1 vote
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Representing geospatial information

I am trying to train a model to predict the location of a storm at a given time. The dataset includes the longitude and latitude of the storm at the given "timestamps" but I am not sure if that is the ...
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How to include both origin and destination in your features?

I'm trying to predict the price of transportation for trucking freight. Two important features that I think would be of great impact are Origin and Destination. What's the best way to include that in ...
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1 answer
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geo spatial clustering based on another feature

I have data about houses for sale, that I present over a map. Each house has coordinates ([lat,lng]) and other features. The data is only for one country, so no need to address the 180deg world wrap....
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Calculate probability vector from sample data

I'd like to compare two distributions using Jensen-Shannon Divergence metric. To do this, I need two probability vectors to plug into distance.jensenshannon(p, q). ...
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Automatically assess training data quality for land cover classification system

I am working on a Land cover classification system, wherein, Sentinel-hub imagery is being used to categorize the land cover by using a time series of multispectral imagery. Training data is being ...
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Image and Video Formats with lossy-compression and fast subregion lookup?

I'm looking for image / video file formats that support lossy compression to reduce disk size and allow for fast subregion lookup. i.e. dont read the entire file when you only need to lookup a small ...
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Clustering based on geolocation pair

I am trying to process a large set of location data where a list of start and end coordinate is given. For example, ...
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5 votes
2 answers
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Multidimensional scaling producing different results for different seeds

I took the data from here and wanted to play around with multidimensional scaling with this data. The data looks like this: In particular, I want to plot the cities in a 2D space, and see how much it ...
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1 vote
1 answer
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Probabilistic Machine Learning model to match spatial data

I have spatial data from multiple sources. This data consists of ID, lat, long, and time. My goal is that given a new lat-long, the model needs to return (preferably with a probability) the data ...
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How to encode H3 geohash in regression model

I'm trying to train a random forest regression model based on a number of features, including location. I know that raw lat/long can't be used directly, so I've bucketed them using H3. I'm struggling ...
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Predict Best Branch Locations For a Company

I have a dataset of existing 156 branches of my company with the longitude and latitude of each branch. Now we want to open 10 more branches. How can we predict the best locations for opening the new ...
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2 votes
2 answers
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Find frequent segments of GPS trajectories

I have a dataset containing GPS coordinates (latitude and longitude), a timestamp variable and a subject ID to identify different persons. What I want to explore is two things: Find frequent routes (...
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2 votes
1 answer
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How to merge personalized models together

Let's say I'm building an app like Uber and I want to predict the user's most likely destination based on the user's past history, current latitude-longitude, and current date and time. We have ...
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1 vote
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Splitting a geospatial data set with existing groupings

Data set: I have a data set consisting of trip data for a large number of cars. The raw data consists of rows with (GPS) coordinates, timestamp, current fuel consumption, temperature, etc. It has been ...
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