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

allocVector() in C and System.AccessViolationException: Attempted to read or write protected memory ?

6 Jun 2015 by Member 11742590

Hello, I have a problem with the allocVector () function. I wrote a code (DLL) in C that can be called in R. I would like to call a method of that DLL into my application in C#. The DLL code works fine but when the compiler reaches the next line SEXP Rout = PROTECT (RclustOut = allocVector...

C++/CLI

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

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

9 Jul 2017 by RS.Ratheesh

Hi, I am using RDotNet to execute RScript from my C# program. Is there any .net library available other than RDotNet. RDorNet is always causing the problem. Regards, Ratheesh What I have tried: I am using RDotNet to execute RScript from my C# program

.NET

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

Business intelligence developer to data scientist

16 Sep 2018 by nishant damani

Hello everyone i am a Business Intelligence developer working in SSIS, SSAS SSRS and SQL with 3 year of experience, now i want to take my career a step ahead and want to become data scientist so can anyone guide me on what to learn R or python, also what other things should i learn in order to...

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

28 Oct 2022 by smartcoder22

Hi all, One of my independent variable in a data that I want to use for Multinomial logistic regression has more than one text values in some of the cells i.e like high,higher or high,higher,highest . Can I use this variable as it is or is...

machine-learning

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). ...

machine-learning

Can someone please explain what the below R line of code does ?

23 Sep 2016 by Member 12757084

test[,(factcols) := lapply(.SD, factor), .SDcols = factcols]factcols has a list columns for which the above needs to be applied. I am trying to understand what does .SD and .SDcols mean in the above code.Thanks in advance!!What I have tried:I am trying to understand what does .SD...

DataContext

data

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

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...

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.

3 Jul 2014 by Jake Drew

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

machine-learning

Coding for statistic software

11 Jan 2018 by muhammad ramzi

Making a commercial type of statistical business software What I have tried: I am learning R and C++ in hope of creating a type of statistic business software

Python

C++

Coding for statistic software

11 Jan 2018 by OriginalGriff

Quote: I am considered an intermediate in R and also C++ what kind of programming language I could take up and learn to make a commercial statistical software ? Any of them, depending on environment. If you want a web app, you want a server language (VB, C#, C++, PHP, ...) and client language -...

Python

C++

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: ...

Python

Convert Python code to r studio code

11 Oct 2022 by Kevin Thomas Oct2022

mariostairs

Python

Convert sas code to R code

25 Apr 2018 by Member 13799198

Hi! I would like to convert the below SAS code into R code. It would be great help for me! Thanks in advance! %let NN=1000; proc iml; cov={1 .1 .1 .1 .1, .1 1 .1 .1 .1, .1 .1 1 .1 .1, .1 .1 .1 1 .1, .1 .1 .1 .1 1 }; M=5; h={[5].2}; Rcvr={[5].2}; T={[&NN]0}; VL={[&NN]0}; VR={[&NN]0};...

Convert sas code to R code

25 Apr 2018 by OriginalGriff

We do not provide a code conversion service, and code conversion rarely produces good code in the target language anyway: either learn SAS plus R and convert it yourself, work out what the SAS code is doing and recode that functionality in R, or find R code that does the same job.

Create variables in loop in R

18 Dec 2015 by Member 12216251

I am trying to calculate a regression variable based on a range of variables in my data set. I would like the regression variable (ei: Threshold 1) to be calculated using a different variable set in each iteration of running the regression.Data (df)is composed of variables: Yield, Prec,...

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.

Python

artificial-intelligence

product-showcase

machine-learning

Discrete Event Simulation using R: Hospital Capacity Planning.

7 Aug 2016 by MohamedKamalPharm, Omneya Hassanain, Nouran Yasser, Fatma Abdelhameed

Simulation Model to plan the capacity of an oncology Hospital with limited number of beds. The R script is run on R Studio or called from PHP.

Do R language programming

25 Mar 2017 by OriginalGriff

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.Try it yourself, you may find it...

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)...

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

13 Sep 2022 by OriginalGriff

If you are having problems getting started at all, then this may help: How to Write Code to Solve a Problem, A Beginner's Guide[^]

Error in `*tmp*`[[j]] : subscript out of bounds

6 May 2018 by Member 13658733

for(i in 1:dim(dataset)[1]){ hitlist=trainmy2[trainmy2$VisitNumber==dataset[i,2],] dayofweek=names(hitlist)[3:9][hitlist[1,3:9]>0] dataset[i,dayofweek]=1 hitlist2=Copy_Walmart[Copy_Walmart$VisitNumber==dataset[i,2],] agg=aggregate(ScanCount~DepartmentDescription,data=hitlist2,sum) ...

analysis

Error in adorn_ns in while doing target segmentation of clusters in R

22 May 2022 by Richard MacCutchan

Have you checked the documentation to see if it requires some external library? Quote: Thank you very much, Richard, indeed , I have managed to resolve this, there was a requirement for Janitor package to be installed. I have added these...

machine-learning

clustering

Error in adorn_ns in while doing target segmentation of clusters in R

22 May 2022 by smartcoder22

Am just starting out in R and machine learning. Am working on a hierarchical clustering problem where after getting clusters of attitudinal variables (e.g preference for a certain choice), I want to do target segmentation by combining the cluster...

machine-learning

clustering

Error installing rpy2 version 2.9.4 using conda

22 Nov 2020 by Member 14999754

Hello, i tried following ways but none of them worked 1. trying to install rpy2 (version 2.9.4) using anaconda, facing error of python version unsatisfied (when python == 3.8.3 or anything over python==3.7.1). 2. when tried same using pip...

Python

Error installing rpy2 version 2.9.4 using conda

22 Nov 2020 by Richard MacCutchan

rpy2 3.3.6· PyPI[^]

Python

Error occur during installation of lightgbm

22 Feb 2019 by Member 13233096

I am using R studio, Now i want to install LightGBM for window. I have Installed Git for Window, CMAKE and MINGW64. The path of GIT is C:\Program Files\Git\bin and the path of CMAKE is C:\Users\MuhammadMaqsood\Downloads\cmake-3.13.3-win64-x64\bin I have set...

cmake

Git

Executing commands on remote spark(EC2) using local R(sparkr) interface hangs

9 Jul 2017 by Smartguy3k

Hi, I am trying to run few spark commands using SparkR (from local R-GUI). For setting up the spark cluster on EC2 I used most of the commands from ( https://edgarsdatalab.com/2016/08/25/setup-a-spark-2-0-cluster-r-on-aws/) with little modification to install the latest versions. All I was...

AWS

spark

Experimenting with ST7735 1.8-inch 128×160 Color LCD on a PIC Microcontroller

7 May 2023 by ToughDev

More about ST7735 1.8-inch 128×160 Color LCD on a PIC Microcontroller

Explaining Naïve Bayes

25 May 2016 by Bud Gressett

Explaining Naïve Bayes

Export case360 Application Files using R

8 Feb 2016 by Daniel 11317535

Autodeploy case36 using R

Facing issues while installing sentiment package in R

12 May 2019 by Patrice T

We are not their support service, try to contact them or the author.

twitter

analysis

For loop complexity… not understanding what is wrong

12 Aug 2015 by Vinayak Bakshi

I'm going through coursera R progrmming course. the assignment question im doing is as follows:Write a function that reads a directory full of files and reports the number of completely observed cases in each data file. The function should return a data frame where the first column is the...

programming

For loop complexity… not understanding what is wrong

12 Aug 2015 by Patrice T

I recommend to use the debugger.run the program step by step, you will see where is the error.You will be able to inspect variables.

programming

From Stationarity to Randomness through Chaos

22 Nov 2016 by Miguel Diaz Kusztrich

Using R to explore complexity of time series generated by simple process

Generating Random Voronoi Diagrams

3 Jun 2017 by Voevudko A. E., Ph.D.

Generating and plotting random Voronoi Diagrams and offering web-page supporting it and R scripts.

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

Hello, I am trying to access specific node from XML file in R.

2 Nov 2016 by vipulkumar patel

Here is an example xml webpage I am accessing and parsing with XML package in R. I am interested in accessing the following information. and ,Here is the code I am running but it extract the first comment node regardless of...

Help translating SAS code to R

4 Mar 2020 by Trey Lewis

Hi, Im working on an survey analysis and found SAS code that creates what I want to do but I do not have SAS. Can anyone help me translate this code to R LABEL SUSCEP = 'Susceptibility Index'; if &CR7SUSCEP.=1 then do; if &CR12SUSCEP. IN...

translate

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)

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

4 Jun 2015 by Member 11742590

Hello, I have question please. I am currently developing an application in C# that communicates with the libraries (DLL) coded in C or C++. These DLLs are created to be called from R. In most of existing methods in the DLL, there is a variable that is not known to me. His name is SEXP. What I...

C++

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++

How can I fit NLS to each row of data and save COEF and SSE values for each row in a column added to the dataframe in R?

27 Oct 2022 by MKGoal25

I have a dataframe including 520 individual identification #s and their frequency count over 10 bin/indices. I want to fit nls() for each of them & save their coef and r^2 values each in a new column. structure(list(User.ID = c("37593", "38643",...

data-analysis

data-science

How do I build letter 'J' and 'K' using point plots in R (new to r)

31 Aug 2021 by Member 15336701

I can't figure out how to create letter 'J' and 'K' using point plots in r the following code builds an H. x=c(rep(0,500),seq(0,1,length.out=1000), rep(1,500)) y=c(seq(-1,1,length.out=500),rep(0,1000), seq(-1,1,length.out=500)) z=rbind(x,y)...

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...

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

15 Aug 2018 by Richard MacCutchan

Please do not repost the same question, you already asked this at How to open an interactive bash shell from wine (in RHEL7)[^]

How do I convert .r to .exe file?

20 Oct 2022 by Member 14991075

I would like to create/convert a .r script (in R studio) to an executable - batch(.exe) file. Which command should I use? What I have tried: chmod +x test.R in cmd - command window

How do I convert .r to .exe file?

20 Oct 2022 by Richard MacCutchan

The chmod command merely sets a file permission, it has no effect on the file contents. You need to check the R documentation to see if there is a command to do it. Alternatively a Google search may find something.

How do I count the number of "0"s in my matrix of 0s and 1s using R?

13 Mar 2022 by loop063

I have a 15x15 matrix with strings of "0"s and "1"s. I need to find the number of columns that have only one "0". Note that the variables in the matrix are strings, not numerics What I have tried: colSums(m1=="1", na.rm=TRUE)

Matrix

How do I create a vector of boolean values based on a data frame that contains the same value for given rows?

26 Apr 2018 by Member 13800477

So I have a data frame with 2 columns that have TRUE and FALSE values. I want to find the rows that contain TRUE for both columns in a given row, and create a vector with Boolean values, only outputting TRUE if it meets the criteria above. E.g. dat

How do I do complete this correctly?

20 Mar 2017 by OriginalGriff

How do I iteratively access each element of a data table in R?

1 Jun 2018 by Member 13440232

I am having my very first experience with data tables. I have a data table "dt" created using: dt A B C D E 1: -1.6288978 -1.6288978...

DataTable

How do I plot a generalized boxplot in R

30 Dec 2022 by Member 15880441

Hello everyone! I am currently working on outlier detection for a highly skewed data which is also heavy tailed. I wanted to use the generalized boxplot as mentioned in the research paper of (Bruffaerts, et al., 2014). However, I don't know...

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

How do I reslove the error code in R

13 Jan 2022 by Pizzle15

Error in do_one(nmeth) : NA/NaN/Inf in foreign function call (arg 1) What I have tried: I have tried converting the fields to numeric and remove all duplicates

How do I reslove the error code in R

13 Jan 2022 by _Asif_

This error occurs mostly due to non numeric values present in the table. Please check this as it explains a bit detail with real example r - Error in do_one(nmeth) : NA/NaN/Inf in foreign function call (arg 1) - Stack Overflow[^]

How do I solve this?

15 Oct 2020 by OriginalGriff

Read the question carefully. Re-read your course notes. Then read this: How to Write Code to Solve a Problem, A Beginner's Guide[^] Then re-read the question and think about the task it describes. Give it a try - this isn't a complicated...

How do I translate it to R

15 Dec 2020 by OriginalGriff

This is not a code conversion service: we are not here to translate code for you. Even if we did, what you would end up with would not be "good code" in the target language – they are based on very different frameworks, and what makes something...

How do I use an imported data variable to make a multiple regression line?

23 Sep 2021 by Member 14007867

I have imported a new set of data, it's called "data2". When I put View(data2) a new window opened with all of my data. There are 4 variables in my data: house_size, number_of_beds, price.of.house., and Region (A,B,C,D,E). My mission is that I...

How do I use the apply() function on the iris dataset in R

4 Nov 2015 by Member 12114684

I would like to use the apply() function and create an object called 'Item.IQR' that contains the interquartile range of each of the first four columns of "iris". How do I go about doing this? I am new to R and I'm not even sure how to navigate the iris dataset. Could someone please help me...

How do I write a distance function in R?

17 Oct 2018 by Member 14023742

Distance Write a function find_distance() that returns the distance between two given points. You should be able to call the function like this: # coordinates for point-1 and point-2 p1

How do I write a distance function in R?

17 Oct 2018 by Patrice T

Quote: This is in R. Please help! I am new at programming , and I am completely lost So, you show no attempt to solve the problem yourself, you have no question, you just want us to do your HomeWork. HomeWork problems are simplified versions of the kind of problems you will have to solve in...

How do I write a distance function in R?

17 Oct 2018 by Richard MacCutchan

R: The R Project for Statistical Computing[^]