R - CodeProject

Machine Learning Process and Scenarios

4 Jun 2017 by Akhil Mittal

This is the second article of the series and will largely focus on machine learning processes and scenarios.

Architect

A Brief Look at the World Health, in R

7 Feb 2017 by Amarnath S

An introduction to data analytics, using R, by taking a quick look at the state of World Health.

Dev

The Price of Wine, as predicted using Linear Regression, in R

22 Feb 2017 by Amarnath S

An introduction to Linear Regression, using R, by taking a look at the pricing of wine.

Architect

Intermediate Data Clustering with k-means

7 Jun 2023 by Andy Allinger

Add features to k-means for missing data, mixed data, and choosing the number of clusters

25 Apr 2014 by Ankit_Sharma1987

I am using chat plugin , and initiating a chat, the ajax post which i am using is working on mozilla and other browsers but not working on IE8/IE9. According to cross domain issue i have used "dataType: Jsonp" also but it's not working.Error: SCRIPT5007: Unable to get value of the property...

The running results in matlab and R language are inconsistent

11 Dec 2023 by ann1988425

matlab Yr=Y; Us{1}=Yr*C; U=Us{1}; Fxy=Y-Us{1}*C R Yr

MatLab

I want to run R script from C++ code.

20 Jun 2017 by AshwiniKJ

R does not get compiled into intermediate code. Can any one help on how to integrate R with C++. What I have tried: Tried running sample code to call a method from R script. Failed with linker errors.

C++98

I want to run R script from C++ code.

20 Jun 2017 by AshwiniKJ

We can call a R script from C++ code as below, #include "stdafx.h" #include using namespace std; int main(int argc, char **argv) { cout

C++98

How to access column with a variable.

18 Jul 2017 by AshwiniKJ

I have column name in a variable. I want to acess that column from a csv how will I do it?. What I have tried: RawData

How to access column with a variable.

18 Jul 2017 by AshwiniKJ

This can be done as below, RawData[[colName]] Two [[]] will help to access the column with variable name.

Rbind for two lazy tables

19 Jul 2019 by avinash0513

Hi All, I have two lazy tables, table1 and table2. I want to do a rbind of these two tables. Please note that Table1 and Table2 are not data frames, they are of class tbl_impala/tbl_sql/tbl_lazy/tbl. Can someone help me with the syntax? What I have tried: Table3 = bind_rows(Table1, Table2) ...

How to add layers and error bar and points in ggplot2 using a for-loop

23 Jun 2022 by Boris Gomez

I am developing an application in R shiny and I would like to make a graph dynamic by adding points, error bar, and lines using the ggplot2 package R. The columns of my dataframes have no names because I merge Excel files uploaded by the user...

Explaining Naïve Bayes

25 May 2016 by Bud Gressett

Explaining Naïve Bayes

How can I copy a dataframe in R to a new one

12 Oct 2021 by chin21504

I am trying to create a new datframe using paste0 function and i need to copy an existing dataframe into it. e.g. ty 1) { Paste0("mynewdata",ty)

Export case360 Application Files using R

8 Feb 2016 by Daniel 11317535

Autodeploy case36 using R

How can I define a variable of SEXP type in C#?

4 Jun 2015 by Dave Kreskowiak

If it's a type you're referring to, you're going to have to consult with the people that wrote the .DLL to find out what that type is. From that information you can code up an equivalent type in C# or whatever.SEXP is not a standard type in any language.

C++

I need to get the CVSS score results from nvd and analyze the data through Python and R.

20 Jan 2018 by David_Wimbley

So you pretty much need to google tutorials on how to use pyhton and R...unless you've actually attempted what you are trying to accomplish and have some code to show where you are stuck...a google search for tutorials is going to be the best place for you to start. Google[^] Now once you've...

statistics

analysis

Get date from one column based on the accumulating value of another column

19 Apr 2021 by debbie oomen

I'm having a tough time figuring this out and I will try to explain where I need help the best I can. I have a dataframe consisting of participant ID (column 1), possible dates of an appointment for that participant (column 2, ranging from V1 to...

condition

selection

29 Jul 2014 by Dileep Ashok

Hi,I guess you missed 1 semi colon at the last of curly brace of jquery.$("body").on("click", "#btnChat", function () { $.ajax({ url: path + "case/SubmitChatRequest", data: $("#frmRequestSubmit").serialize(), type:...

Looping over column and observations in data frame in R

28 Nov 2021 by Eliza Romanski

I have a problem which i'm finding tricky to solve . I have a data frame that looks like this : ...

data

R-script Migration to SQL Server 2016

13 May 2017 by Evgeniy Sukhikh

Issues and solutions taken while moving R from cmd to sp_execute_external_script

T-SQL

SQL

Cloud-based Predictive Analytics with Azure Machine Learning

26 Dec 2016 by Fernando de Oliveira [MCP]

What if you could predict data using a cloud-based environment? You can do it with Azure Machine Learning.

How to clear the dataframe by removing false rows in R

14 Oct 2022 by Fury_5698

I have many csv files with dataframes looking like these. Dummy Data: df1

data-science

DataFrame

How to do exploratory analysis of large dataset?

15 Feb 2021 by Gerry Schmitz

Data Analysis in Excel - Easy Excel Tutorial[^]

Can I use data with more than value in a cell for multinomial logistic regression

26 May 2022 by Gerry Schmitz

It's called "binning"; do what you need to do to the data to have it make sense for your particular "model". e.g. Height is almost meaningless (for most) unless it's in terms of short, medium, tall (i.e. range binning). ...

How to trigger R script from MVC controller action method and receive the results into a datatable?

Stack overflow exception error in R script method for subsequent request.

11 Mar 2018 by Girish Deshmukh

When I call R script method from Web API it is working for first request it returns the result, but for subsequent request getting Stack overflow exception. The same code is working on another system, tried desposing all the objects in the R. Please help me to sort out this issue. Using R...

Alternatives of ctree in R when using with Asp.net

16 Nov 2015 by girish sp

I have to work with c tree(Conditional Inference Trees) in my Asp.net project,i know c tree is directly not supported, so i am looking for the alternatives which i can start with, i came across r.net i cannot use it as it requires executable to be installed on client side, i went through the...

MVC4

ASP.NET

trees

13 Aug 2018 by goshan2011

I have a bar chart to display. Currently MVC controller's action method makes call to a stored procedure in SQL and the returned data in data table format is bound to the chart. what now i wanted to achieve is , consider the data returned from SQL, pass it to R script to do some processing and...

MVC

What is the best option to interface to R and Python from .NET (MVC)?

16 Sep 2019 by goshan2011

What is the best option to interface to R and Python from .NET (MVC)? Have checked information on R.Net, not sure how good it is to be used. Please assist. What I have tried: I am trying to implement this newly and need suggestions before starting..

MVC

Matlab Programming for Probability Question

30 Aug 2014 by Gurpreet Singh Punj

I have a problem statement of probability for which i have to display the solution in R programming language or Matlab... Any help will be very beneficial for me as i am unable to find the correct code to display the solution.. Please help There are two coins. One is fair; the other is...

MatLab

Visualization of High Dimensional Data using t-SNE with R

23 Jun 2014 by Henry Tan Setiawan

A short tutorial to visualize high dimensional data (vector) using t-SNE, Barnes-Hut-SNE, and Clusplot in R

dotnet-nuke

HPC with R: The Basics

26 May 2017 by Intel

We’ll begin with a little history and some basics that everyone who picks up R and cares about performance ought to know.

Data Science is an Ocean of Information—Stay Focused!

14 Aug 2017 by Intel

In this article, we discuss our teachings about data science in a series of steps so that any product manager or business manager interested in exploring this science will be able take their first step toward becoming a data scientist or at least develop a deeper understanding of this science.

artificial-intelligence

product-showcase

Julia: A High-Level Language for Supercomputing

31 Aug 2017 by Intel

The JuliaProject Continues to Break New Boundaries in Scientific Computing

3 Jul 2014 by Jake Drew

Full demo app using both C# and R interchangeably to rapidly identify and cluster similar images

After I stem tokens in R, I get a lot of single letter nonwords. Any advice on how to deal with those?

How should I do this?

9 Aug 2022 by james Edits

There are two files with data taken from a subset of the UK Met Office’s network of land surface measurement sites. These are: 1. metadata.csv This file contains site names, longitude, latitude and elevation for 20 locations throughout Britain;...

Doing this data code for a assignment.....

13 Sep 2022 by Jason Garcia Jr.

'''(r setup, include=FALSE) knitr:opts chunk$set(echo= TRUE) Read in the data provided and save it as a variable called "data" '''(r) ''' use c() and cbind() to add a numerical column from 1:19 to "data". Order it as the first column. '''(r)...

The R Statistical Language and C#.NET: Foundations

14 May 2008 by Jeff B. Cromwell

Use the R Language in C#.NET applications.

How I change this txt file into csv file

24 Aug 2017 by Jochen Arndt

For example by Reading the text file line by line Converting each line to a 64-bit integer and store that in an array Writing 8 values from the array to a text file separating them with a comma Depending on the language this might require to determine the array size in advance by...

How to make this R/ rcpp / Intel daal code work in windows10?

22 Jul 2018 by Jochen Arndt

This might not be the final solution but should fix some errors and prevent from having other (future) problems. You are using the Intel compiler but include the MS Visual C++ header files. Specifying the Intel include file directory ($(ICInstallDir)\compiler\include\) as very first path in the...

C++14

Intel64

Any library available to call rscript from C# other than rdotnet

9 Jul 2017 by Joezer BH

Another thing you can do is run the R code in process you create just for that task. See this code sample written by Jake Drew on stackoverflow: public static string RFromCmd(string rCodeFilePath, string rScriptExecutablePath, string args) { string file = rCodeFilePath; ...

.NET

How I change this txt file into csv file

24 Aug 2017 by KarstenK

Sounds like you need to learn some basics for your job. At first you need to read the file. How it can be done is explained in Input/output with files tutorial. After that you must split the string in parts as discussed in this answer of stackoverflow. I like the last sample code most. Than...

15 Jan 2023 by katebjork

I get single letter words in my Structural Topic Model after my preprocessing steps. Particularly after I stem my tokens. My code is as follows: #read the csv articletexts

NLP

The running results in matlab and R language are inconsistent

10 Dec 2023 by Kenneth Haugland

Have you tried to type "format long" in matlab? What you see in matlab and what is saved might be two different things

MatLab

How do I read specially formatted data in a txt file into a data frame in R?

23 Oct 2021 by Kevin Paul 2021

Hi I am working on an Amazon dataset which does not follow the traditional row and column format. Kindly advice on the best way to convert this into a easily manipulatable dataset in R. Thank you Dataset: ...

DataFrame

Convert Python code to r studio code

11 Oct 2022 by Kevin Thomas Oct2022

def staircase(n): for i in range(0,n): for j in range(0,n): if i + j >= n-1: print("#",end='') else: print(" ",end='') print('\n') staircase(4) What I have tried: ...

Convert Python code to r studio code

11 Oct 2022 by Kevin Thomas Oct2022

mariostairs

Check if list of dates fall between a list of date ranges then add associated values to new dataframe using R programming

How to make this R/ rcpp / Intel daal code work in windows10?

22 Jul 2018 by KeyurKelkar

Hello, I have struggled for the past 2 weeks to make the code contained in the following codeproject.com article to work in the Windows 10 environment: Lightning-Fast R Machine Learning Algorithms[^] It seems to me that I am not correctly setting up behind the scenes (e.g. choice of compiler,...

C++14

Intel64

How to debug these Intel daal errors

25 Jul 2018 by KeyurKelkar

Hello I am trying to replicate the analysis shown in: Lightning-Fast R Machine Learning Algorithms[^] , in Windows 10 I am replicated the packages noted in the article, and further to help from a kind person in previous post, have come across a few last errors which i am hoping someone might...

C++

Intel

How do I call R (in rhel 7) from wine

15 Aug 2018 by KeyurKelkar

Hello, I am trying to open an interactive session of R from Wine. I need to run R from the Rhel7 host as I have recompiled it specifically for my purpose. I am having trouble with (1) Opening R in the host from Wine, by way of commands, and (2) ensuring that R from the Rhel7 host is kept open...

12 Oct 2019 by Kristina Hunter

I have a dataframe (df) with 4 columns: Start date, Stop date, Launch date, and NMBR (Usage amount - numerical value). I have another dataframe (usage) with two columns: time1 and usage. I am trying to check if each date in the time1 column in the usage dataframe falls between any of the start...

Obtaining information from XML files through R

20 Jun 2018 by lakshya rastogi

I came across to a problem where in I have to use data from XML file, and these XML files are quite big. i need only limited information from this file. Can you please suggest me the ways to pull data, i tried my best by seeing videos and free resources to pull data out but failed to do so. i am...

XML

17 Mar 2015 by livinkalai

Please change your Jquery version.I also faced the same problem in IE9 when I use jquery.js version 1.10.when try it with version 1.8 the problem was solved.