ncluster | Cluster solution based on node 's cluster module

 by   benmmurphy JavaScript Version: Current License: No License

kandi X-RAY | ncluster Summary

kandi X-RAY | ncluster Summary

ncluster is a JavaScript library. ncluster has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Cluster solution based on node's cluster module.
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              ncluster has a low active ecosystem.
              It has 31 star(s) with 2 fork(s). There are 2 watchers for this library.
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              It had no major release in the last 6 months.
              ncluster has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of ncluster is current.

            kandi-Quality Quality

              ncluster has 0 bugs and 0 code smells.

            kandi-Security Security

              ncluster has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              ncluster code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              ncluster does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
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              Without a license, all rights are reserved, and you cannot use the library in your applications.

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              ncluster releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            ncluster Key Features

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            ncluster Examples and Code Snippets

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            Community Discussions

            QUESTION

            DBSCAN on 3d coordinates doesn't find clusters
            Asked 2021-Jan-27 at 21:25

            I'm trying to cluster points in a 3D coordinates DataFrame of 1428 points. The clusters are relatively flat planes that are elongated clouds DataFrame. They are very obvious clusters so I was hoping to try unsupervised clustering (not putting in the number of clusters expected) KMeans does not properly separate them and does require the number of clusters: Kmeans plot results

            The data looks as follows:

            ...

            ANSWER

            Answered 2021-Jan-27 at 21:25

            Remember this golden rule:

            Always and always perform normalization on your data before feeding it to ML / DL algorithm.

            Reason being, your columns have different range, probably one column has a range of [10000,20000] and other has [4000,5000] when you will plot these coordinates on a graph, they will be very very far away, Clustering/Classification will never work, maybe Regression will. Scaling brings the range of each of the column to same level but still maintaining the distance but with different scale. It is just like in google MAPS, when you zoom in scale decrease and when you zoom out scale increases.

            You are free to choose the normalization algorithm, there are almost 20-30 available on sklearn.

            Edit:

            Use this code:

            Source https://stackoverflow.com/questions/65902125

            QUESTION

            Seaborn countplot: Use the same colour for each variable name on separate df
            Asked 2020-Dec-04 at 15:48

            I have a clustered dataset of articles, each article belonging to a certain cluster. I've run sentiment analysis on the whole dataset and I want to make plot for the sentiments in each cluster. My problem is that in cluster 1 for example the fear sentiment is in pink colour, anticipation is in blue etc but in the next cluster fear may be green and anticipation may be pink.

            I know that i can force seaborn to use the same colour for every variable in the dataframes and all the plots will turn out blue or red or whatever.

            What I want to do is to set a certain colour for every emotion and keep it during the whole iterations of plots.

            My code:

            ...

            ANSWER

            Answered 2020-Dec-04 at 15:48

            user the order= parameter to fix the order in which the bars are displayed (and hence their colors)

            Source https://stackoverflow.com/questions/65146316

            QUESTION

            Visualisation of clusters using outer coordinates of the individual cluster
            Asked 2020-Oct-04 at 14:46

            I want to visualise my clusters.

            By using this code:

            ...

            ANSWER

            Answered 2020-Oct-04 at 14:46

            You can create the convex hull of each of the clusters using scipy.spatial.ConvexHull(). Note that X[y == i] needs to be converted to a new array, because ConvexHull() returns indices into the short array. The returned points form a polygon. The first point needs to be copied at the end to plot to include the line segment that closes the polygon.

            Source https://stackoverflow.com/questions/64195401

            QUESTION

            Issue involving map generation in shiny
            Asked 2020-Jul-27 at 13:20

            Friends could help me resolve the following issue:

            I am inserting three executable codes below, the first generates a map using sftnetworks package, showing the route between two locations. In this case, the two locations to generate the map were defined: from = c(df_spec_clust[1, c("Longitude")], df_spec_clust[1, c("Latitude")]) and to = c (df_spec_prop [4, c ("Longitude")], df_spec_prop [4, c ("Latitude")])]. In the second, I would like to generate the map in Shiny format, but without defining the locations exactly as I did in the first code. I would like them to be selected from the filters I created (Filter 1 and Filter 2). However, I am unable to generate the map. Could you help me ? To show you I managed to generate the map correctly in the third code for the problem in question but using another package (leaflet). However, I still couldn't think of a way to make it work using the sfnetworks package. Any help is appreciated.

            Thank you!

            First code ...

            ANSWER

            Answered 2020-Jul-27 at 13:20

            You had a problem in selectInput. You were calling a function to get the Filter1 and Filter2, but the function needs Filter1 and Filter2 to execute. The following code executes, but it is slow in showing the map. Updating Filter1 and Filter2 gives an updated map, but it takes a few seconds. A more robust way to define it would be to define the dataframe in a separate function. That will help us define Filter1 and Filter2, and then we can pass on this information to the plot function. This will eliminate the chances of passing non-existing combinations which has been a problem sometimes.

            Source https://stackoverflow.com/questions/63092033

            QUESTION

            Appears condition panel only when a correct file is loaded
            Asked 2020-Jul-01 at 19:49

            Even though the file has problems and is loaded in fileInput my condition panel is being shown, as shown in the Figure. However, I would like this panel to be shown only when the correct file is loaded. Can someone help me ?? The executable code is below:

            I believe you need to adjust something in the Modelcl of the server.

            Thank you so much!

            ...

            ANSWER

            Answered 2020-Jul-01 at 19:49

            I'm not sure to understand. But if I correctly understand, you can do:

            Source https://stackoverflow.com/questions/62684270

            QUESTION

            Error alert when the database is wrong in Shiny
            Asked 2020-Jul-01 at 07:28

            I would like to know how I can create a general alert, if the database that is loaded in fileInput does not correspond to the ideal base for my code, as there may be several problems, such as: Error in [.data.frame: undefined columns selected, error in hclust: NA / NaN / Inf, among other errors. So, is there any way to do this? Show an alert if I have a problem with the loaded database? I inserted below an executable code just for testing. A database can be downloaded from the following website:

            https://github.com/JovaniSouza/JovaniSouza5/blob/master/Example.xlsx

            ...

            ANSWER

            Answered 2020-Jul-01 at 07:28

            Maybe something like this (I have not tried). This requires the shinyWidgets package for sendSweetAlert.

            Source https://stackoverflow.com/questions/62668019

            QUESTION

            Show sliderInput only when fileInput is loaded into Shiny
            Asked 2020-Jun-28 at 20:59

            I would like the Slider to be shown only when the database via fileInput is loaded. In addition, as the maximum value (max) of the sliderInput, I would like it to be the total number of properties in the database, that is, it can vary depending on the database. Could you help me on this issue? A test database can be downloaded from the following website: https://github.com/JovaniSouza/JovaniSouza5/blob/master/Example.xlsx

            The executable code is below:

            ...

            ANSWER

            Answered 2020-Jun-28 at 20:59

            This could be achived via the uiOutput and renderUi functions. uiOutput puts a placeholder in the UI which is filled via renderUi when the User has loaded a dataset.

            Source https://stackoverflow.com/questions/62625230

            QUESTION

            Adjust image that is shown by showModal on Shiny
            Asked 2020-Jun-27 at 16:17

            I would like assistance with two brief questions involving my shiny application. My executable app below is generating an initial message through showModal. However, as you can see the attached image, the logo was disproportionate to the message box, could you help me to solve this ?? I also insert the .html file that I made to show the initial message. In addition, if possible, I would like to activate my button that I called "ok", so that the message comes out, and the user can continue with the functions of the application.

            Thank you!

            ...

            ANSWER

            Answered 2020-Jun-27 at 16:17

            You can use CSS to force the image to be no more than 100% of its container's width. There are many ways to achieve this. For example, you can add the following one line anywhere in the UI:

            Source https://stackoverflow.com/questions/62611894

            QUESTION

            Generate scatterplot both by shapefile and excel in Shiny
            Asked 2020-Jun-25 at 19:57

            The codes below are working normally, the first code is generating a scatterplot by Shapefile and the second code is generating via Excel, both via fileInput. For simulation the data can be obtained through the following website: https://github.com/JovaniSouza/JovaniSouza5/blob/master/shapefile.rar (shapefile)

            https://github.com/JovaniSouza/JovaniSouza5/blob/master/Example.xlsx (excel)

            The problem I am having is that I am not able to unify these codes, since I want to have only one code to generate the scatter plot and not two, could you help me solve this problem? In other words, I want to make it easier for the user to choose between using shapefile or excel data to generate the scatterplot in one code.

            Thank you very much!

            SHAPEFILE

            ...

            ANSWER

            Answered 2020-Jun-25 at 19:57

            A simple solution is to check what type of file the user is loading and, depending on this, use the appropriate procedure. I did this in observeEvent(input$data,.

            SHAPEFILE AND EXCEL

            Source https://stackoverflow.com/questions/62567104

            QUESTION

            Insert reactive for fileInput (shapefile)
            Asked 2020-Jun-22 at 22:28

            The code below is generating a scatterplot from a shapefile file. It is generating normally (see the attached image). However, instead of inserting the file directory directly into the code, I would like to insert the file through a fileInput. I inserted the fileInput below, but I would like help to adjust my server. I believe it is necessary to adjust something related to the reactive.

            Thank you so much!

            ...

            ANSWER

            Answered 2020-Jun-22 at 22:28
            1. Add a new path argument to function.cl, remove df argument which is not used because assigned directly in the function
            2. Use `eventReactive' in the server :

            Source https://stackoverflow.com/questions/62491453

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

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