Trending questions in Data Analytics

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Split a string and store it in multiple columns from a field in R

How to Split a string and store ...READ MORE

Jun 29, 2019 in Data Analytics by Anand
 • 972 views
+1 vote
1 answer

How to convert dataframe columns from factors to characters?

To replace all the variables to character ...READ MORE

Apr 13, 2018 in Data Analytics by BHARANI
 • 420 points • 19,839 views
0 votes
2 answers

R programming: r bind error

You can use arrange function at last ...READ MORE

Sep 3, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,195 views
+1 vote
1 answer

Change font size of valueBox - shiny R

Try writing your valueBox with this syntax: valueBox( ...READ MORE

Dec 4, 2018 in Data Analytics by Haseeb
 • 9,652 views
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1 answer

How can I figure out if an R program was executed from the command line?

Try this code: if (interactive()) { print('Hello ...READ MORE

Jun 28, 2019 in Data Analytics by Zulaikha
 • 910 points • 783 views
0 votes
1 answer

Keras - R programming error

You haven't installed keras in the correct ...READ MORE

Jun 17, 2019 in Data Analytics by Sophie may
 • 10,620 points • 1,149 views
0 votes
2 answers

How can I group a set of values by column using R programming?

Try this , Employee %>% group_by(EmpID) %>% mutate(SumSalary ...READ MORE

Aug 14, 2019 in Data Analytics by anonymous
 • 947 views
0 votes
1 answer

How to convert JSON into CSV in R programming?

Use the jsonlite::fromJSON to read the data into ...READ MORE

Jan 24, 2019 in Data Analytics by Sophie may
 • 10,620 points • 7,226 views
0 votes
1 answer

Probabilities in R programming

This should work: poker_face <- replicate(1000, sample(poker, size ...READ MORE

May 27, 2019 in Data Analytics by Zulaikha
 • 910 points • 1,813 views
0 votes
1 answer

Error while importing Tensorflow

Start by uninstalling tensorflow and protobuf and reinstall them. Use ...READ MORE

Jun 13, 2019 in Data Analytics by Zulaikha
 • 910 points • 1,037 views
0 votes
1 answer

Error saying " cannot open the connection" when trying to install a package in R

Try install.packages(“package_name”, repos="http://cr ...READ MORE

Nov 26, 2018 in Data Analytics by Maverick
 • 10,840 points • 9,596 views
0 votes
1 answer

Error and strange results occurred when I imported my tweets data set to analysis sentiment by sentences

Hey! The code should function as it ...READ MORE

Jun 18, 2019 in Data Analytics by Varun
 • 857 views
0 votes
1 answer

Extract a subset of a data frame based on a condition involving a field

Here are the two main approaches. I ...READ MORE

Jun 19, 2018 in Data Analytics by CodingByHeart77
 • 3,750 points • 16,454 views
0 votes
1 answer

Using Cuda: Tensorflow error

This command will tell you which processes ...READ MORE

Jun 13, 2019 in Data Analytics by Zulaikha
 • 910 points • 777 views
0 votes
1 answer

Scraping columns from a website by using R Programming

Here's an example, use the html_table : library(rvest) library(dplyr) url <- ...READ MORE

Jun 7, 2019 in Data Analytics by Zulaikha
 • 910 points • 785 views
+1 vote
1 answer

How do I sum the values of a variable by group but RETAIN all records?

Hey @Kirk, what you can do is, ...READ MORE

Jun 6, 2019 in Data Analytics by Kalgi
 • 52,350 points • 819 views
0 votes
1 answer

R programming error: Plot error - “Col=”red“

Fix this line: polygon(c(0,0,1),c(1,2,1), col="red", density=c(30, ...READ MORE

May 28, 2019 in Data Analytics by Zulaikha
 • 910 points • 1,165 views
0 votes
1 answer

Converge style functional using R

This should do it: do.call("rbind", lapply(filenames, loadFile)) READ MORE

Jun 7, 2019 in Data Analytics by Zulaikha
 • 910 points • 717 views
0 votes
1 answer

What does the sink function do in R?

sink diverts R output to a connection ...READ MORE

May 24, 2019 in Data Analytics by Chandu
 • 1,273 views
0 votes
1 answer

Error saying "Error in map(.x, .f, ...) : argument ".x" is missing, with no default" in R

There is small mistake in your code. ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 9,263 views
0 votes
1 answer

R programming: Reading a table in R

Try this code: dat <- read.table("~/data/data.txt", quote="\"", ...READ MORE

May 13, 2019 in Data Analytics by Sophie may
 • 10,620 points • 1,750 views
0 votes
1 answer

Changing variable values using R programming

This should work: df$symbol <- as.character(df$symbol) df$symbol[df$symbol == "ABCD.BO"] ...READ MORE

May 27, 2019 in Data Analytics by Zulaikha
 • 910 points • 1,026 views
+1 vote
2 answers

What are the steps in data analysis process?

Well explained @Maverick, In simple words the ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,188 views
0 votes
2 answers

R programming: Removing NA values

Hi, Use na.rm = TRUE or Fetch values which has ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,370 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
 • 52,350 points • 9,767 views
0 votes
1 answer

R Programming: Twitter OAuthFactory error

Have you installed 'ROAuth' and 'RCurl' packages? ...READ MORE

Apr 30, 2019 in Data Analytics by Sophie may
 • 10,620 points • 1,845 views
+1 vote
2 answers

Skills required to become an R programmer

As you want to become an r ...READ MORE

Aug 16, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,752 views
0 votes
2 answers

R Programming error in if condition

Hi. Instead of breaking the line add it ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,350 views
+5 votes
2 answers

Predict weight when height is given using linear regression in R

You can try something like this: # The ...READ MORE

Dec 12, 2018 in Data Analytics by Purva
 • 7,472 views
+2 votes
2 answers

Error when executing write.csv function in R

row.names = F READ MORE

Mar 5, 2019 in Data Analytics by anonymous
 • 6,154 views
0 votes
1 answer

R programming: Linear Equation

Use expand.grid to get all possible combinations ...READ MORE

Apr 30, 2019 in Data Analytics by Sophie may
 • 10,620 points • 1,518 views
0 votes
1 answer

R programming error — twitteR OAuthFactory object

Make sure you have installed the required ...READ MORE

May 13, 2019 in Data Analytics by Sophie may
 • 10,620 points • 938 views
0 votes
1 answer

R programming error: Not enough Java heap space

Try this, it worked for me: options(java.parameters="-Xmx4000m&q ...READ MORE

May 15, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 647 views
0 votes
1 answer

How to run a file with .r extension?

Follow the below command: C:\Program Files\R\R-3.1.1\bin\Rscript.e ...READ MORE

Apr 30, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 1,285 views
0 votes
1 answer

Calculating quantiles in R.

You can follow this code: y <- rnorm(100) ...READ MORE

May 2, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 1,159 views
0 votes
1 answer

Does R provide support for Julia?

The RJulia package is provided by R programming. ...READ MORE

May 15, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 621 views
+1 vote
2 answers

Splitting the data into training and testing sets - R

Hi, Try like this. train = sample(x = ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 6,403 views
0 votes
1 answer

How to remove HTML tags from string in R Programming?

Try this simple code to remove the <br ...READ MORE

Feb 1, 2019 in Data Analytics by Sophie may
 • 10,620 points • 4,883 views
+1 vote
2 answers

What is the difference between correlation and covariance?

Correlation and Co-variance both are used as ...READ MORE

Jul 24, 2018 in Data Analytics by Abhi
 • 3,720 points • 4,337 views
+1 vote
3 answers

Number of missing values in dataset

Try this, lapply(airquality, function(x) { sum(is.na(x)) }) READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 4,650 views
0 votes
1 answer

R programming: Emacs mode

You can go through the ESS documentation ...READ MORE

May 2, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 861 views
+1 vote
1 answer

Error saying cannot open file 'file.pdf' when trying to save a plot in ggplot

You could try adding the following line ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 8,324 views
+1 vote
1 answer

R error: Unused arguments

 invoke REBMIX by trying this: REBMIX[[i, j, k]] ...READ MORE

Dec 14, 2018 in Data Analytics by Sophie may
 • 10,620 points • 6,795 views
0 votes
1 answer

R programming: Using Caret package to implement Random Forest

You can check out the official docs ...READ MORE

Apr 30, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 831 views
0 votes
2 answers

How to count unique values in R?

You can try this way, as.data.frame(v) %>% count(v) READ MORE

Aug 8, 2019 in Data Analytics by anonymous
 • 6,884 views
0 votes
1 answer

R programming: Merging in R Programming

You can merge the two data frames ...READ MORE

Apr 24, 2019 in Data Analytics by Sophie may
 • 10,620 points • 1,018 views
0 votes
1 answer

R Programming: MS Residual functions

Here's an example, you can try this ...READ MORE

Apr 26, 2019 in Data Analytics by Sophie may
 • 10,620 points • 852 views
+2 votes
1 answer

Error saying object not found in R

Change your link_addr to linkAddr and it ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,840 points • 6,588 views
+1 vote
2 answers

Import csv excel file in R

Hi. Check out your filename and the ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,854 views
0 votes
1 answer

R programming: leap years calculation

Here's a small modification to your code, ...READ MORE

Feb 20, 2019 in Data Analytics by Sophie may
 • 10,620 points • 3,532 views
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