Trending questions in Data Analytics

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What is a css selector and where is it used?

CSS Selector is a combination of element ...READ MORE

Nov 21, 2018 in Data Analytics by Kalgi
 • 52,340 points • 2,670 views
0 votes
1 answer

Is it possible to use a where clause within ggplot?

You can use the subset function to filter rows ...READ MORE

Nov 5, 2018 in Data Analytics by Kalgi
 • 52,340 points • 3,355 views
+1 vote
1 answer

How to create global data sets in R?

You can use the <<- operator for assigning variables ...READ MORE

Dec 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,702 views
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1 answer

Error with shortest.path function in R

you have a directed graph. The shortest.paths function will ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 3,020 views
0 votes
1 answer

How do I remove unnecessary redundant data from a dataset?

You can use dimensionality reduction methods such ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,968 views
+1 vote
3 answers

Integration of Google Collaboratory with github

You can use SSH protocol to connect ...READ MORE

Aug 7, 2018 in Data Analytics by Kalgi
 • 52,340 points • 5,260 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 • 3,480 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 • 3,476 views
0 votes
1 answer

Error saying "missing 'sequenceID' or 'eventID'" when trying to convert my data into cSPADE compatible format.

Try this: source dataset in this format: 1 3 ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,736 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 • 1,558 views
0 votes
1 answer

How do I add Icons to my messages on my dashboard which I’m creating using shiny r?

Try something like this: dashboardHeader(title="Edureka", dropdownMenu type = "message", messageItem(from = ...READ MORE

Nov 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,095 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 • 2,776 views
0 votes
1 answer

Error saying "R cannot be resolved" on eclipse while running a simple application

Every time you get this error, check ...READ MORE

Nov 8, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,983 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 • 3,187 views
0 votes
1 answer

how to run a logistic regression with clustered standard errors in R?

have a look at rms package. lrm is logistic ...READ MORE

Nov 6, 2018 in Data Analytics by Kalgi
 • 52,340 points • 3,046 views
0 votes
1 answer

Trying to find frequent itemsets of a data set using arules package

Try replacing ID <- c("A123","A123","A123","A123","B456","B456","B456") item <- c("bread", "butter", "milk", ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,648 views
0 votes
1 answer

What is shiny R?

Shiny is an open source R package that ...READ MORE

Nov 29, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,061 views
0 votes
1 answer

Can rows be converted into columns in R?

You can use of the R package ...READ MORE

Dec 11, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,502 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 • 2,900 views
0 votes
1 answer

Unable to see histogram even though its been created without any errors in shiny R

In your server.R 4th line. Replace it ...READ MORE

Nov 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,996 views
0 votes
1 answer

Error saying "Error: object 'packages' not found" when trying to web scrap using r

Hey @Ali, Its a very silly mistake. ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,384 views
0 votes
1 answer

How do I get notifications on my dashboard using shiny R?

Try this, its one of the possible ...READ MORE

Nov 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,979 views
0 votes
1 answer

Error saying "Failed to get an access token." when trying to access my Google Analytics API

Try this: library(RGoogleAnalytics) oauth_token <- Auth( client.id = ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,552 views
0 votes
0 answers

Error saying "could not find function "html_text"" when using html_text function in R

I'm trying to web scrap a page ...READ MORE

Nov 21, 2018 in Data Analytics by Ali
 • 11,360 points • 2,365 views
0 votes
1 answer

how do I run this R program on hadoop.

You can use hadoop streaming to read ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,489 views
0 votes
1 answer

R programming logic

Use gsub to match the substring that we want ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,363 views
0 votes
1 answer

Creating barplot with standard errors plotted in R

For df1 plot # Group data by when ...READ MORE

Nov 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,495 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 • 1,724 views
0 votes
1 answer

Error saying "Error in lapply(rdmTweets, as.data.frame) : object 'rdmTweets' not found"

You need to load the data file ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,330 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
 • 52,340 points • 2,926 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 • 1,829 views
0 votes
1 answer

What are the important skills to have in Python with regard to data analysis?

The following are some of the important ...READ MORE

Aug 20, 2018 in Data Analytics by Abhi
 • 3,720 points • 6,060 views
0 votes
1 answer

Is a GUI available for some basic csv file edits?

You can manipulate any csv file with ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,347 views
0 votes
3 answers

R vs MATLAB, which is better with respect to machine learning?

Hello, Both are a good programming language you ...READ MORE

Apr 12, 2019 in Data Analytics by SA
 • 1,090 points • 3,889 views
0 votes
1 answer

Cleaning raw data

Try this using read.fwf d <- read.fwf(textConnection( " ...READ MORE

Nov 13, 2018 in Data Analytics by Ali
 • 11,360 points • 2,333 views
0 votes
1 answer

Why is data cleaning needed?

Data cleaning is the fourth step in ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,274 views
0 votes
1 answer

Is there way for achieving continuous integration with R?

You can use svunit for this purpose. ...READ MORE

Nov 16, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,176 views
0 votes
1 answer

Is there a way to display correlation in graphical manner in R?

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

Nov 26, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,733 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 • 2,886 views
0 votes
1 answer

catch warnings and errors in rpy2

To get the warnings as an rpy2 ...READ MORE

Nov 8, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,499 views
0 votes
2 answers

How does data cleaning play a vital role in data analysis

Data is the core you do your ...READ MORE

Jul 24, 2018 in Data Analytics by Abhi
 • 3,720 points • 7,076 views
0 votes
1 answer

Convert Brightkite location ID to place name

This can be dine using The geonames API. GeoNames ...READ MORE

Nov 15, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,143 views
0 votes
1 answer

Python or R – Which one would you prefer for text analytics?

We will prefer Python because of the ...READ MORE

Aug 20, 2018 in Data Analytics by Abhi
 • 3,720 points • 5,899 views
0 votes
1 answer

Manipulate character string using gsub() and perform multivariate data cleaning efficiently in R

gsubfn is perfect for this task: library(gsubfn) as.vector(sapply(gsubfn("[A-Z]", list(B="* 1", ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,209 views
+1 vote
1 answer

Does R programming support Firebird database?

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

Oct 30, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,771 views
0 votes
1 answer

How do I make a parameter dynamic on the url while webscraping?

Just add %d to the parameter you ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 1,889 views
0 votes
1 answer

How can I perform word stemming in R

The tm package in R provides the stemDocument() function to stem the ...READ MORE

Aug 20, 2018 in Data Analytics by Abhi
 • 3,720 points • 6,087 views
0 votes
1 answer

What is raw data?

Raw data is the data that hasn’t ...READ MORE

Nov 14, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,150 views
0 votes
1 answer

Error saying "object 'mvnorm' not found"

You seem to have made a small ...READ MORE

Nov 9, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,358 views
0 votes
1 answer

Cleaning a Data Frame Using Regexp in R

The simplest way: library(dplyr) library(stringi) df %>% mutate(NUMERO_APPEL.fix = ...READ MORE

Nov 13, 2018 in Data Analytics by Maverick
 • 10,840 points • 2,179 views
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