Most answered questions in Data Analytics

+1 vote
1 answer

Downloading an image using R Programming

Try this: url2 ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 596 views
+1 vote
1 answer

an error occurred" because rows do not match when trying to use lm to perform an ANOVA test

Maybe you could do something like this. ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 604 views
0 votes
1 answer

Mongodb text search in R programming

this example works for me library(mongolite) m <- mongo(db ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 745 views
+1 vote
1 answer

Translate curl into R program

Use the RCurl library, its always a ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 623 views
+1 vote
1 answer

What does “replacement has” Error mean?

This error occurs when one tries to ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 490 views
+2 votes
1 answer

“subscript out of bounds” Error in r programming

This error is likely to occur when ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 9,375 views
0 votes
1 answer

": cannot open the connection" Error in R

There can be two reasons for this ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 4,664 views
0 votes
1 answer

Most common errors faced when programming with R

These the two most common errors I ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 455 views
+1 vote
1 answer

"subscript out of bounds" error in while executing simple R program

This is caused by trying to access ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 2,080 views
0 votes
1 answer

"no applicable method" Error in r programming

This is caused by using an object-oriented ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 2,269 views
+1 vote
1 answer

what causes these cannot open errors in R?

They are caused by attempts to read a ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 501 views
+1 vote
1 answer

Getting the following error: Error in eval

This error is caused by references to ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 551 views
0 votes
1 answer

"Error in if" while trying to execute simple code in R

This caused non-logical data or missing values passed ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 434 views
+1 vote
1 answer

Remove NA values from the output in R programming

Edit your code: columnmean <- function(x, removeNA = ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 659 views
+1 vote
1 answer

R has something called lazy evaluation, what does that mean?

Let me explain this with an example. ...READ MORE

Oct 31, 2018 in Data Analytics by Kalgi
 • 52,360 points • 1,004 views
0 votes
1 answer

What is active binding in R programming

Active bindings in R are much like ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,107 views
+1 vote
1 answer

ROC curve use

ROC curve is basically used to reflect ...READ MORE

Oct 30, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 635 views
0 votes
1 answer

Simple matrix logic in R

In R, if you have a matrix: m1 ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 392 views
+1 vote
1 answer

k means vs KNN

K-means clustering is basically an unsupervised clustering ...READ MORE

Oct 30, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 808 views
+1 vote
1 answer

Does R programming support Firebird database?

Yes ofcourse you can.  This page will show ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,337 views
0 votes
1 answer

Element wise multiplication in R

In R the simple vector multiplication gives ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 3,592 views
0 votes
1 answer

Looping error in R

You need a sequence to iterate over ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 325 views
+1 vote
1 answer

Sklearn GaussianMixture

The GaussianMixture object implements the expectation-maximization (EM) ...READ MORE

Oct 30, 2018 in Data Analytics by Priyaj
 • 58,090 points • 774 views
0 votes
1 answer

Error in source("myfunction.R") : myfunction.R:2:3: unexpected symbol 1: 2: R version

Try formatting your code like this: myfunction <- ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,127 views
0 votes
1 answer

What ~ (tilde) command do?

Something that characterizes formulas in R is ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,389 views
0 votes
1 answer

Error saying "Error in source("myfirst.R") : myfirst.R:14:2: unexpected '!' 13: 14: ë! ^"

This is a very common issue that ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 758 views
+1 vote
1 answer

"Error in eval(ei, envir) : object 'RDX2' not found" when trying to source the code in R

This is a very common issue that ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 4,692 views
0 votes
1 answer

Error saying "Error in rnorm() : argument "n" is missing, with no default" in R

Hey @ali, rnorm() function requires an argument, ...READ MORE

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 3,052 views
0 votes
1 answer

Function to check if matrix empty or not

here is some question of what is ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,212 views
+1 vote
1 answer

Difference between factor and as.factor in R programming

Hey @Ali, as.factor is a wrapper for ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 4,516 views
0 votes
1 answer

Expression Computation - R programming

The sequence of ones: cumsum(10^(0:4)) ## [1] ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 345 views
+1 vote
1 answer

R programming Web Scraping

Try something like this: library(rvest) library(rvest) library(tidyverse) urls <- read_html("http://dk.farnell.com/c/office-computer-networking-products/prl/results/") pag <- ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 796 views
+1 vote
1 answer

What does “Error: object '<myvariable>' not found” mean?

The error means that R could not ...READ MORE

Oct 29, 2018 in Data Analytics by Ali
 • 11,360 points • 1,810 views
0 votes
1 answer

How are the job opportunities for R programmers?

R offers bright job prospects for any ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 501 views
0 votes
1 answer

Why should I adopt R programming

R Programming is the best mechanism for ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 630 views
0 votes
1 answer

How is R applied in real world?

R Programming gives a broad variety of ...READ MORE

Oct 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,345 views
0 votes
1 answer

What are R packages

These are a few R packages available: tidyverse Shiny rma ...READ MORE

Oct 26, 2018 in Data Analytics by Maverick
 • 10,840 points • 458 views
0 votes
1 answer

What are R tools

Rtools provides a toolchain for Windows platform ...READ MORE

Oct 26, 2018 in Data Analytics by Kalgi
 • 52,360 points • 981 views
0 votes
1 answer

Install R on windows

Hey @Ali,  Go to the following link: https://cran.r-project.org/bin/windows/base/ and ...READ MORE

Oct 26, 2018 in Data Analytics by Maverick
 • 10,840 points • 587 views
0 votes
1 answer

Bias-Variance Decomposition

It is generally used to decompose problems ...READ MORE

Oct 23, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 345 views
0 votes
1 answer

Bias and Variance

In the learning algorithms, Bias is generally ...READ MORE

Oct 23, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 572 views
0 votes
1 answer

Handling Imbalanced dataset

This usually occurs when a vast set ...READ MORE

Oct 17, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 570 views
0 votes
1 answer

Reliability of Bayes Theorem

Baye’s theorem is useful for determining the ...READ MORE

Oct 17, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 609 views
0 votes
1 answer

How can I find number of columns in a dataframe

To know the number of columns in ...READ MORE

Oct 12, 2018 in Data Analytics by Abhi
 • 3,720 points • 423 views
0 votes
1 answer

What is the difference between rnorm and runif functions ?

rnorm function generates "n" normal random numbers ...READ MORE

Oct 10, 2018 in Data Analytics by zombie
 • 3,790 points • 899 views
0 votes
1 answer

Which inbuilt function can be used in such case ?

Using in-built function - setdiff(c (1, 3, ...READ MORE

Oct 10, 2018 in Data Analytics by zombie
 • 3,790 points • 411 views
0 votes
1 answer

How can I create log linear models in R language?

By using the loglm () function  READ MORE

Oct 10, 2018 in Data Analytics by zombie
 • 3,790 points • 1,049 views
0 votes
1 answer

TensorFlow use in container software

Tensorflow can also be used with containerization ...READ MORE

Oct 8, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 445 views
0 votes
1 answer

Neural Networks in Deep Learning

Neural networks as the name suggests are ...READ MORE

Oct 8, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 372 views
0 votes
1 answer

API inside TensorFlow project

The API’s inside TensorFlow are still Python-based ...READ MORE

Oct 5, 2018 in Data Analytics by kurt_cobain
 • 9,390 points • 355 views
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