Are there any free and open source Spatial Data Mining Tools ?

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What are various feature Selection methods for spectral data for machine learning?

Kindly refer any research, web link to study the various options in feature selection of tabular spectroradiometer (spectral data with more than 2000 numeric parameters) data for creation of...

09 October 2019 6,150 7 View

how can we retrieve the real time information from the GPS/sensors and collect them on a centralized repository/database ?

I want to prepare a web application showing the real time position data of GPS mounted on vehicles on the map (e.g. uber and Ola vehicle real time location maps). The requirement is the use of...

04 May 2019 674 2 View

Kindly advice regarding selection of a Phd thesis topic related to BIG data in the GIS domain with reference to open source/tools and data ?

11 December 2015 1,178 2 View

Which are the latest research issues for Geo-Spatial Big Data ?

04 May 2015 8,348 1 View

Kindly report road accidents in Indian Punjab on this Website: https://pbroadaccidents.crowdmap.com/ ?

Crowd-source Mapping of Road Accidents in Indian Punjab: Website: https://pbroadaccidents.crowdmap.com/

01 February 2015 7,939 0 View

What are the current research trends/topics in Geo Spatial data mining ?

07 August 2014 7,348 0 View

What is the simplest way to create a customized desktop GIS with pan, zoom and query options?

03 April 2014 2,430 3 View

Is it possible to build a multi-user enterprise GIS using PostGIS and Quantum GIS?

Multiple users editing a single vector layer concurrently with permissions such as read, write etc.

09 October 2013 2,216 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View

Audrey Emmanuelle Dugué

I suggest the KNIME free software with the DBSCan Cluster Algorithm, by Martin Ester, Hans-Peter Kriegel, Joerg Sander, Xiaowei Xu: A Density-Based Algorithm for Discovering Clusters in Large Spatial Databases with Noise.

http://www.knime.org/

Jose Gomez Castaño

I use Geokettle ( http://www.spatialytics.org/projects/geokettle/ ) as ETL geospatial tool. You can know about it in OSGeo Live CD http://www.spatialytics.org/projects/geokettle/