TDAmapper | R package ) Analyze High | Data Manipulation library
kandi X-RAY | TDAmapper Summary
kandi X-RAY | TDAmapper Summary
An R package for using discrete Morse theory to analyze a data set using the Mapper algorithm described in:. G. Singh, F. Memoli, G. Carlsson (2007). Topological Methods for the Analysis of High Dimensional Data Sets and 3D Object Recognition, Point Based Graphics 2007, Prague, September 2007.
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Trending Discussions on TDAmapper
QUESTION
I'm currently trying to run the MAPPER algorithm on R, and work through some basic examples found on the website here:
http://bertrand.michel.perso.math.cnrs.fr/Enseignements/TDA/Mapper.html
The code I'm using is as follows:
...ANSWER
Answered 2018-Mar-21 at 18:05The mapper
, mapperVertices
, and mapperEdges
functions are only available currently in the development version of TDAmapper
. You can install it using (devtools
package must be installed)...
QUESTION
I would like to use R TDAmapper package to represent my dataset with 76 rows and 316 columns. I'm following this code: http://bertrand.michel.perso.math.cnrs.fr/Enseign but the filter function used, Kernel function kde
, is not good for my case because I have a dataset with more then 6 dimensions.
Is there an other Kernel function using like a filter function in TDAmapper for high dimensional dataset? Or Anyone could sugguest me an other filter function?
Thanks in advance
...ANSWER
Answered 2018-Jan-25 at 13:15Apply PCA to data, Project your data on Principle components. Say along first PC or etc as a filter
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Install TDAmapper
Windows: Rtools (http://cran.r-project.org/bin/windows/Rtools/)
OS X: xcode (from the app store)
Linux: apt-get install r-base-dev (or similar).
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