Trending questions in Data Analytics

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1 answer

How to provide names for list elments in r?

There are 2 ways to add names ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,163 views
0 votes
1 answer

R Shiny - Error in as.vector: cannot coerce type 'externalptr' to vector of type 'character'

Ravin, read the image into list src ...READ MORE

Aug 19, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,627 views
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1 answer

How to color categorical data markers?

Hey, Use colorFactor function. Check this example. pal <- colorFactor(c("navy", ...READ MORE

Sep 25, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,959 views
0 votes
1 answer

Difference between list(1:5) and list(1,2 ...5) in R.

It's very simple. list(1:4) creates a single element(vector) whereas ...READ MORE

Oct 14, 2019 in Data Analytics by rajeev
 • 1,053 views
+1 vote
1 answer

Write r output into table (in database)

Use dbWriteTable () function and set overwrite ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,420 views
+1 vote
1 answer

In R programming language, how do I export data in .txt?

See this image for ways to export ...READ MORE

Oct 11, 2019 in Data Analytics by ashwini
 • 1,125 views
0 votes
1 answer

Duplicate axis for a R plot

Add duplicate axis using dup.axis attribute like ...READ MORE

Nov 4, 2019 in Data Analytics by radha
 • 2,310 views
0 votes
1 answer

Extract text from image in R

Try below code to fetch the image ...READ MORE

Aug 7, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,959 views
0 votes
1 answer

Anova Analysis vs KMeans - R

The main difference between them is that ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 2,222 views
0 votes
1 answer

formatting r output

Use print and paste command to format ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,091 views
0 votes
0 answers

How to get the value passed through url from one page to another in R?

How to get the value passed through ...READ MORE

Oct 16, 2019 in Data Analytics by ch
 • 3,450 points • 925 views
+1 vote
1 answer

RandomForest Error

If the classifying variable data type is ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,091 views
+1 vote
1 answer

What is ~ operator in R?

~ operator is used in R for ...READ MORE

Oct 14, 2019 in Data Analytics by mohan
 • 1,028 views
0 votes
1 answer

Create markerclusters in leaflet

Hi, It's quite simple, add below snippet along ...READ MORE

Sep 23, 2019 in Data Analytics by ch
 • 3,450 points • 1,870 views
0 votes
1 answer

How to add external markers in maps?

Use external markers by creating icons using ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,521 views
0 votes
1 answer

Error with running SQL Query:

Use below code. ofc <- dbGetQuery(db,'select * from ...READ MORE

Oct 1, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,631 views
0 votes
1 answer

plot a line chart along with point labels in the plot

Follow the below steps: 1. Create a ggplot ...READ MORE

Nov 2, 2019 in Data Analytics by anonymous
 • 33,050 points • 2,334 views
0 votes
1 answer

R - Split date into dd,mm,yy

I use superstore data and show how ...READ MORE

Oct 31, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 2,165 views
0 votes
1 answer

How to get current time and date?

Use date function or timestamp function to ...READ MORE

Oct 14, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,030 views
0 votes
1 answer

which to use fill or color to show colors in R plots?

The color attribute is only used for ...READ MORE

Nov 4, 2019 in Data Analytics by komal
 • 2,249 views
0 votes
1 answer

function to sort elements in a list

@ch, Using sort function. sort(l,decreasing = T) > l = ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 959 views
0 votes
1 answer

Read an image into r

There are different packages that read images ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,440 views
0 votes
1 answer

How to get attribute data from tag using R?

Hi, Use html_attr()/html_attrs() function to extract the attribute ...READ MORE

Sep 30, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,518 views
0 votes
0 answers

I have a Data set which contains columns as; "i.d", "reporting month", "Total Balance in reporting month", "Default (denoted by 1 or 0)".

Oct 1, 2019 in Data Analytics by aarij
 • 120 points • 1,437 views
0 votes
1 answer

Different ways to write into database using R

The below functions are used to update ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,222 views
0 votes
1 answer

Format the date values in a specific format

@ch, Use format.Date function to convert one format ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 902 views
0 votes
1 answer

Split plot into multiple plots corresponding to each value of the field in R

Use facet_grid() and pass the field to ...READ MORE

Nov 4, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 2,384 views
0 votes
1 answer

Navigate from one page to another using R

Use the below functions for navigating between ...READ MORE

Oct 14, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,354 views
0 votes
1 answer

pie chart using ggplot - R

Hi, even I was searching for this ...READ MORE

Aug 19, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,231 views
0 votes
1 answer

How to take input from user in R?

Readline() function read input from console as ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 2,135 views
0 votes
1 answer

R Error: Recommender method UCBF not implemented for data type realRatingMatrix

Kalyan, Try changing method from UBCF to POPULAR. train ...READ MORE

Oct 28, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,552 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
 • 33,050 points • 1,086 views
0 votes
1 answer

How to use mailR package?

Hi Prarthana, Install mailR and load the package. install.packages("mailR", ...READ MORE

Sep 4, 2019 in Data Analytics by anonymous
 • 33,050 points • 2,401 views
0 votes
0 answers

How to choose best variables for classification and regression models?

How to choose the best variables for ...READ MORE

Oct 7, 2019 in Data Analytics by ch
 • 3,450 points • 978 views
0 votes
1 answer

parameterized reports using RMarkdown

Add params attribute like below specifying dataset ...READ MORE

Nov 4, 2019 in Data Analytics by kamal
 • 1,745 views
0 votes
1 answer

How to highlight polygon/hovered a region in a map?

Hey, Try this code example to highlight polygon ...READ MORE

Sep 25, 2019 in Data Analytics by anonymous
 • 3,450 points • 1,398 views
0 votes
1 answer

How to create icons for markers in leaflet?

Hi @ch, Create an icon use makeicon function ...READ MORE

Sep 23, 2019 in Data Analytics by anonymous
 • 3,450 points • 1,442 views
0 votes
1 answer

How to create clusers in leaflet?

Hey! Try using marker cluster. See this post, its ...READ MORE

Sep 23, 2019 in Data Analytics by anonymous
 • 3,450 points • 1,465 views
0 votes
1 answer

How to sort substring from a dataframe

First, extract the substring from the data ...READ MORE

Nov 4, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,568 views
0 votes
1 answer

How to add elements into a list in R?

hey, Add elements into list as below. list = ...READ MORE

Sep 30, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,132 views
0 votes
1 answer

Read text file and save as csv file using R

hi, Read the text file and save it ...READ MORE

Sep 30, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,109 views
0 votes
2 answers

how to convert a data frame into a list in R

Convert whole data frame into a list?? ...READ MORE

Sep 4, 2019 in Data Analytics by anonymous
 • 33,050 points • 2,122 views
0 votes
1 answer

How to set choices of inputs within server function in shiny app?

@Kajal, Use renderUI function to add input elements ...READ MORE

Oct 28, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,113 views
0 votes
1 answer

How to provide xpath value for web scraping?

Hey Karthik, XPath uses path expressions to select ...READ MORE

Sep 18, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,558 views
0 votes
1 answer

R - any_vars and all_vars() functions

Hi, Chaitra The main difference between them is ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 2,934 views
0 votes
1 answer

update dataframe automatically

Hi Gavin, Try web scraping to download the ...READ MORE

Sep 18, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,541 views
0 votes
1 answer

cant open a json file in r

You can use the package jsonlite to read ...READ MORE

Nov 4, 2019 in Data Analytics by pallavi
 • 1,575 views
0 votes
1 answer

Create a tree model in R from data.frame?

See the below example to understand how ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
 • 33,050 points • 2,300 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
 • 33,050 points • 1,182 views
0 votes
1 answer

How to deploy shiny app to shinyapps.io?

There are 2 ways to deploy shiny ...READ MORE

Nov 4, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,607 views
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