Most viewed questions in Data Analytics

+1 vote
1 answer

Join using two mappers - invalid inputfile exception

Dear Learner, Hope you are doing well. Can you ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 437 views
0 votes
1 answer

How to combine 2 fields in a dataframe to create a new field?

Use paste command or append function to ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 436 views
0 votes
1 answer

How to write rules generated by Apriori?

I found out one solution: Use as() ...READ MORE

Jun 19, 2018 in Data Analytics by Sahiti
 • 6,370 points • 436 views
0 votes
1 answer

Multiple plots onto a single page in R

Plotting multiple plots onto a single page ...READ MORE

Jul 17, 2018 in Data Analytics by Sahiti
 • 6,370 points • 435 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

R programming: Graphs

Try this: ggplot(dfc, aes(x=x, y=y, colour=f, fill=f, ymin=y-se, ...READ MORE

Feb 21, 2019 in Data Analytics by Tyrion anex
 • 8,700 points • 433 views
0 votes
1 answer

How to create the Boxplot in R?

Hi@akhtar, Boxplots are a measure of how well ...READ MORE

Oct 30, 2020 in Data Analytics by MD
 • 95,440 points • 432 views
0 votes
1 answer

How can I remove plot axis values?

In order to remove numbering on x-axis ...READ MORE

May 8, 2018 in Data Analytics by zombie
 • 3,790 points • 432 views
0 votes
1 answer

How to create a function in R?

Hi@akhtar, We can create user-defined functions in R. ...READ MORE

Oct 29, 2020 in Data Analytics by MD
 • 95,440 points • 430 views
0 votes
0 answers

Export Plotly charts from R to Other documents or web pages.

Hi, can someone help in exporting Plotly ...READ MORE

Jul 30, 2019 in Data Analytics by ravin
 • 430 views
+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 • 430 views
+1 vote
1 answer

How good at SQL does a data scientist really need to be?

SQL is a standardized query language for requesting information ...READ MORE

Aug 9, 2018 in Data Analytics by Abhi
 • 3,720 points • 429 views
0 votes
1 answer

List inputs for parameter selection

Use choices attribute to provide a list ...READ MORE

Jul 31, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 428 views
+1 vote
1 answer

Can we have an if loop inside a for loop in R programming?

You're If loop doesn't have any condition ...READ MORE

Dec 21, 2018 in Data Analytics by Sophie may
 • 10,610 points • 428 views
+3 votes
1 answer

Hortonworks Setup for Virtualbox

Dear Learner, Please go to the below link ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 427 views
0 votes
1 answer

How to get interactive plots in R?

The best packages for creating interactive visualizations ...READ MORE

Nov 2, 2019 in Data Analytics by anonymous
 • 33,030 points • 426 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 • 426 views
0 votes
1 answer

How do I get different distributions of our dataset in R?

There are multiple ways of getting this. ...READ MORE

Nov 26, 2018 in Data Analytics by Maverick
 • 10,840 points • 425 views
0 votes
0 answers

Combine shiny with rmarkdown

How to combine shiny render functions with ...READ MORE

Jul 31, 2019 in Data Analytics by avinash
 • 424 views
0 votes
0 answers

Calendar - R

HI, can you help me to create ...READ MORE

Jul 25, 2019 in Data Analytics by kriti
 • 424 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 • 422 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 • 422 views
0 votes
1 answer

Calculate running total

Hi rubini, Use accumulate or reduce function to ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
 • 421 views
0 votes
1 answer

Edit list elements when condition is met

You can use regular if condition with ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 420 views
0 votes
1 answer

How to add ggplot over each other?

Do you mean to add multiple geom ...READ MORE

Nov 3, 2019 in Data Analytics by anonymous
 • 33,030 points • 420 views
0 votes
1 answer

pig script or normal pig command

Dear Narayan, Please accept our sincere apologies for ...READ MORE

Dec 18, 2017 in Data Analytics by Sudhir
 • 1,610 points • 420 views
+1 vote
0 answers

dplyr R - Pipelining

Hi, can you tell how pipelining works ...READ MORE

Jul 12, 2019 in Data Analytics by riya
 • 419 views
0 votes
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 • 419 views
0 votes
1 answer

Can I use Hadoop and R together for analysis ?

HDFS can be used for storing the ...READ MORE

Sep 5, 2018 in Data Analytics by zombie
 • 3,790 points • 419 views
0 votes
1 answer

How to read a CSV file in R?

Hi@akhtar, You can read your CSV file in ...READ MORE

Oct 29, 2020 in Data Analytics by MD
 • 95,440 points • 418 views
0 votes
1 answer

R - Create a repetitive list from a smaller length vector to fit into dataframe

Hi Nithin, rep() is used to replicate a ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,030 points • 418 views
0 votes
1 answer

issue with dashboardSidebar function using shiny R

You can use the function sidebarMenu function ...READ MORE

Nov 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 418 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 • 418 views
0 votes
1 answer

How to create and call groups in maps?

Groups are used to group a set ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 417 views
0 votes
1 answer

Extract data fron R dataset

You can use the dplyr package,  Convert the ...READ MORE

Jul 30, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 417 views
0 votes
1 answer

annotate marks in chart/ggplot

One way is to use ggrepel package. ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,030 points • 416 views
0 votes
0 answers

Give output variable as input to another vaiable in shiny app

Can i send the output stored in ...READ MORE

Jul 16, 2019 in Data Analytics by rubini
 • 416 views
0 votes
1 answer

R installation errors on ubuntu 14.04

 In /etc/apt/sources.list or one of the /etc/apt/sources.list.d/*.listreplace xenial with trusty and run apt-get update. After ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 416 views
0 votes
1 answer

Trying to add an extra column to an already existing matrix

Try this @Ali, a <- matrix(1:5000, nrow=100) a <- ...READ MORE

Nov 2, 2018 in Data Analytics by Maverick
 • 10,840 points • 416 views
0 votes
0 answers

How to trigger an action after clicking on a button? - R

Hi, i want to show the updated ...READ MORE

Jul 16, 2019 in Data Analytics by dhruv
 • 415 views
+1 vote
2 answers

unique length of combinations

Try this: sum(mtcars$mpg == 21.0 & mtcars$cyl == ...READ MORE

Dec 26, 2018 in Data Analytics by Omkar
 • 69,210 points • 415 views
0 votes
1 answer

Getting a syntax error. Can somebody help?

Hey, you can not use the map ...READ MORE

Oct 15, 2020 in Data Analytics by vineet
 • 414 views
0 votes
1 answer

ggplot2 - Convert the labels in %.

Use geom_label or geom_text and provide labels ...READ MORE

Oct 30, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 414 views
+1 vote
1 answer

Execute a shell script that in turn runs a Python program, followed by an R program

You have two FROM commands in your ...READ MORE

Feb 6, 2019 in Data Analytics by Sophie may
 • 10,610 points • 414 views
0 votes
1 answer

Provide selection of parameter in rmarkdown

Use choices attribute to provide a list ...READ MORE

Jul 31, 2019 in Data Analytics by Cherukuri
 • 33,030 points • 413 views
0 votes
0 answers

Shiny app Doesnt show outputs

I created a ashiny app weeks back, ...READ MORE

Jul 29, 2019 in Data Analytics by nitya
 • 413 views
0 votes
0 answers

Plot different lines as per category and color using ggplot

Hi, how to show different types of ...READ MORE

Jul 23, 2019 in Data Analytics by nidhi
 • 412 views
0 votes
1 answer

Look for certain values from not cleaned data

First see what rows meet t$ps04==1 & t$rectyp==1. ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 412 views
0 votes
1 answer

How to create color functions for mappers in lealet?

Hey, Create a function using colorNumeric.Factor/bins. Then call ...READ MORE

Sep 25, 2019 in Data Analytics by anonymous
 • 33,030 points • 411 views
0 votes
1 answer

provide a delay to call function in r

Hi, Mehareen slowly() takes a function and modifies ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
 • 33,030 points • 411 views
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