Most voted questions in Data Analytics

+1 vote
1 answer

R - Fitting polynomials to data

lm(y ~ x + I(x^2) + I(x^3)) This ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
• 10,840 points
424 views
+1 vote
1 answer
+1 vote
1 answer

Building a Time series prediction model on web login timestamp

I had done something similar and ran ...READ MORE

Dec 7, 2018 in Data Analytics by Upasana
• 8,620 points
1,432 views
+1 vote
1 answer

How to add grid in ggsurvplot without changing theme in R?

Try something like : j <- ggsurvplot( ...READ MORE

Dec 7, 2018 in Data Analytics by Maverick
• 10,840 points
1,318 views
+1 vote
1 answer

How to plot pixels in R?

You could use ggplot with the option geom_point(shape = "."). For ...READ MORE

Dec 6, 2018 in Data Analytics by Maverick
• 10,840 points
1,244 views
+1 vote
1 answer

Jupyter Notebook : superscripts and subscripts

You can use the markdown cell to do this. ...READ MORE

Dec 6, 2018 in Data Analytics by Shubham
• 13,490 points

edited Dec 12, 2018 by Shubham 12,030 views
+1 vote
1 answer

Installing JQ on Mac by command-line

On a mac, any application can be ...READ MORE

Dec 6, 2018 in Data Analytics by Shubham
• 13,490 points

edited Dec 12, 2018 by Shubham 5,805 views
+1 vote
1 answer

Error when trying to execute something reactive on shiny R

There seem to be some issues in ...READ MORE

Dec 6, 2018 in Data Analytics by Maverick
• 10,840 points
2,193 views
+1 vote
1 answer

How to add videos in a shiny R dashboard?

Its pretty simple, try this: server.r library(shiny) shinyServer(function(input, output, session) ...READ MORE

Dec 4, 2018 in Data Analytics by Haseeb
3,622 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
8,409 views
+1 vote
1 answer

problem with tabitems in shiny R

Check your braces. Code tabitems after aws ...READ MORE

Nov 30, 2018 in Data Analytics by Maverick
• 10,840 points
1,603 views
+1 vote
1 answer

Error saying "ERROR: Error sourcing C:\Users\ali\AppData\Local\Temp\Rtmp8iTRBM\file54f8276958b3"

Seems like there is a problem with ...READ MORE

Nov 29, 2018 in Data Analytics by Maverick
• 10,840 points
5,852 views
+1 vote
1 answer

Error saying "could not find function dashboardPage" in shiny R

Include this line in the code: Library(shinydashboard) READ MORE

Nov 29, 2018 in Data Analytics by Maverick
• 10,840 points
3,120 views
+1 vote
1 answer

Error saying "could not find function "shinyUI"" in shiny R

Its a small spelling mistake that you've ...READ MORE

Nov 28, 2018 in Data Analytics by Maverick
• 10,840 points
2,318 views
+1 vote
1 answer

Error when trying to convert data frame into a csv file in R

If packages.csv file is open on your ...READ MORE

Nov 21, 2018 in Data Analytics by Kalgi
• 52,360 points
4,669 views
+1 vote
4 answers

Which is the best r package used to scrap web pages?

You can use rvest or Rselenium package. READ MORE

Feb 13, 2019 in Data Analytics by Marv
823 views
+1 vote
1 answer

Error saying "Error in map_df(1, function(i) { : could not find function "map_df"" in R

Make sure you’ve installed the package purr ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
• 10,840 points
6,229 views
+1 vote
1 answer

Error saying "Error in file(out, "wt") : cannot open the connection" when execute help command in r

Hey @Ali, change working dir, exit r ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
• 10,840 points
10,837 views
+1 vote
1 answer

Error saying "EXPR must be a length 1 vector" when trying to use the switch functionality

You can use the ifelse function: df$Value <- ifelse(d ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
• 10,840 points
3,253 views
+1 vote
2 answers

How to segment documents into phrases in text mining using R?

You can do this in R using ...READ MORE

Nov 15, 2018 in Data Analytics by sandeep
• 260 points
1,081 views
+1 vote
1 answer

Error saying "vector size cannot be NA" when using R with data mining

You can use the removesparseterm function.  Removes sparse ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
• 10,840 points
4,371 views
+1 vote
1 answer

How to standardize rows when cleaning data?

The goal of this step is to ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
• 10,840 points
527 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
• 33,030 points
2,463 views
+1 vote
1 answer

Error saying "'names' attribute [27] must be the same length as the vector [21]"

When you end up with this error ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
• 10,840 points
3,819 views
+1 vote
1 answer

Error saying "The following signatures couldn't be verified because the public key is not available: NO_PUBKEY"

Try this: sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
• 10,840 points
862 views
+1 vote
1 answer

Error saying " ERROR: unused argument (InformationCriterion = InformationCriterion[j]) "

Brief invoke REBMIX as : REBMIX[[i, j, k]] ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
• 10,840 points
410 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
7,542 views
+1 vote
1 answer

Display errors in sweave

s Shane suggests, use <<echo=TRUE,eval=FALSE>> for the code ...READ MORE

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

How do i send R errors from console to standard java output?

R offers a command to save its ...READ MORE

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

How to give line numbers in errors in R?

Use the following command: options(show.error.locations = TRUE) READ MORE

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

R errors in eclipse

remove import android.R Then clean and rebuild project. R ...READ MORE

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

How to read R errors through JRI

You'll be able to perform those R-Expressions, ...READ MORE

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

How to find out which version of R is loaded

You can use sessionInfo() to accomplish that. > sessionInfo() R version ...READ MORE

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

What are the drawbacks of trycatch method?

These are the drawbacks of using try-catch: You ...READ MORE

Nov 6, 2018 in Data Analytics by Kalgi
• 52,360 points
2,199 views
+1 vote
1 answer

Plotting standard error in R

You can probably use dot plot for ...READ MORE

Nov 6, 2018 in Data Analytics by Kalgi
• 52,360 points
493 views
+1 vote
1 answer

How to check if object is defines in R?

You can use the exists function for ...READ MORE

Nov 6, 2018 in Data Analytics by Kalgi
• 52,360 points
445 views
+1 vote
1 answer

Try catch in R

The most straightforward way is to wrap ...READ MORE

Nov 6, 2018 in Data Analytics by Kalgi
• 52,360 points
420 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
• 33,030 points
1,232 views
+1 vote
1 answer

as.data.frame not working expected

Try using: setNames(as.data.frame(t(normData[-1])), normData[[1]]) ...READ MORE

Nov 5, 2018 in Data Analytics by Kalgi
• 52,360 points
1,413 views
+1 vote
2 answers

Stacked barchart - R programming with ggplot2

Use position = stack inside geom_bar() ggplot(mydata, aes(x = ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
• 33,030 points
672 views
+1 vote
1 answer

Unload package without restarting R

You can use the unloadNamespace command, as ...READ MORE

Nov 5, 2018 in Data Analytics by Kalgi
• 52,360 points
552 views
+1 vote
1 answer

How to use nnet to have user specified initial weights instead of defaults for running a neural network algorithm?

The custom weights shall have the following ...READ MORE

Nov 5, 2018 in Data Analytics by Kalgi
• 52,360 points
408 views
+1 vote
1 answer

Can R and hadoop be used together to get better results?

The most common way to link R ...READ MORE

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

What is dynamic scoping in R?

Under dynamic scope, if an “unknown” variable ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
• 10,840 points
758 views
+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
572 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
588 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
612 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
478 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
2,031 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
491 views