Latest questions in Data Analytics

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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
902 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
1,085 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
783 views
0 votes
0 answers

Allow user input on maps

Can anyone explain how to add controls ...READ MORE

Sep 24, 2019 in Data Analytics by ch
• 3,450 points
954 views
0 votes
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
1,668 views
0 votes
1 answer

Save lefalet maps as html output

Use saveWidget to save the output as ...READ MORE

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

Reduce markers overlapping in maps

Hey, You can either reduce the font size ...READ MORE

Sep 23, 2019 in Data Analytics by anonymous
• 3,450 points
2,323 views
0 votes
1 answer

How to add only label or popup withpout markers in a map?

Hi, @ch Use addLabelOnlyMarkers( ) to add labels ...READ MORE

Sep 23, 2019 in Data Analytics by anonymous
• 3,450 points
3,506 views
0 votes
1 answer

Hide and show labels by default in maps

Hi, You need to just add an attribute ...READ MORE

Sep 23, 2019 in Data Analytics by Cherukuri
• 33,050 points
1,755 views
0 votes
1 answer

Pop up always visible without clicking on the marker in leaflet

@Ch, Pop-up cannot be enabled by default. Another ...READ MORE

Sep 23, 2019 in Data Analytics by Cherukuri
• 33,050 points
4,808 views
0 votes
1 answer

Add variable size and color of circle marker depending on condition

Hey, Give conditions for color or radius within ...READ MORE

Sep 23, 2019 in Data Analytics by Cherukuri
• 33,050 points
7,754 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
1,585 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
1,160 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
1,116 views
0 votes
1 answer

Difference between label and popup in addmarkers() in leaflet

Hey, its quite simple. Label in leaflet displays ...READ MORE

Sep 20, 2019 in Data Analytics by rajitha
2,693 views
+1 vote
1 answer

map data not yet available

It could be due to the limited ...READ MORE

Oct 15, 2019 in Data Analytics by anonymous
• 33,050 points
2,171 views
0 votes
0 answers

Add multiple maps over each other

How to multiple layers of maps over ...READ MORE

Sep 19, 2019 in Data Analytics by anonymous
• 33,050 points
928 views
0 votes
1 answer

How to save leaflet object as an image?

Yes, you can save leaflet objects as ...READ MORE

Oct 28, 2019 in Data Analytics by Cherukuri
• 33,050 points
5,956 views
0 votes
0 answers

fix the map area using leaflet and use ggplot

I created a map using leaflet and ...READ MORE

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

How to add legend or any text on the map in leaflet?

See below example, > p = colorFactor(palette = ...READ MORE

Oct 28, 2019 in Data Analytics by anonymous
• 33,050 points
9,256 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
1,062 views
0 votes
1 answer

Download file from website using web scraping

Hi, Follow the below steps: 1. Use rvest package ...READ MORE

Sep 20, 2019 in Data Analytics by rishabh
6,203 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
1,188 views
0 votes
1 answer

plot map points from a dataframe

Hi Peter, Use below code. leaflet(df) %>% addTiles() %>% ...READ MORE

Sep 17, 2019 in Data Analytics by priya
1,112 views
0 votes
1 answer

Check if a website permits web scraping - R

Vinutha, While doing web scraping its necessary ...READ MORE

Sep 17, 2019 in Data Analytics by aditya
2,606 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
1,252 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
1,253 views
0 votes
1 answer

How to convert a dataframe into json data?

Hi, kalyan. Use toJSON function from jsonlite package. ...READ MORE

Sep 24, 2019 in Data Analytics by Cherukuri
• 33,050 points
2,526 views
0 votes
1 answer

Differences between html_nodes( ) and html_node( )?

Pallava, both the functions return nodes from ...READ MORE

Sep 17, 2019 in Data Analytics by rajeev
2,711 views
0 votes
1 answer

Read table from webpage and convert it into dataframe

Hi Kalyan, Use html_table to create tables from ...READ MORE

Sep 17, 2019 in Data Analytics by prajwal
2,060 views
+1 vote
2 answers

web scraping on Tripadvisor's review

Hi, I used the below code to ...READ MORE

Sep 16, 2019 in Data Analytics by Cherukuri
• 33,050 points
4,613 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
1,637 views
0 votes
0 answers

SVM model in R

What is svm model? How to use ...READ MORE

Sep 3, 2019 in Data Analytics by ratna
686 views
0 votes
1 answer

help with calculation

Hi Karthik, use pmap( ) to find ...READ MORE

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

Error installing mailR package.

Error installing mailR package. Below error in console. ...READ MORE

Sep 3, 2019 in Data Analytics by nitya
1,003 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
2,071 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
• 33,050 points
781 views
0 votes
1 answer

Convert nested list to hclusters in R

Hi Kajal, I don't its possible to create ...READ MORE

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

R - convert tree to nested list

Hi Akshay, To convert data.tree structure to a list-of-list ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
• 33,050 points
1,058 views
0 votes
0 answers

Convert nested list to dendogram - R

How to convert nested lists to dendrogram? ...READ MORE

Aug 30, 2019 in Data Analytics by ramya
729 views
0 votes
1 answer

How to create a tree like structure from R list/vector?

Hi, puja. Use below function to create a ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
• 33,050 points
1,133 views
0 votes
1 answer

Convert hclusters to tree in R

Hi Kalyan, 1. Create hcluster using hclust for example, object <- ...READ MORE

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

plot trees in R

Hi, Vijay. You can create trees using different ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
• 33,050 points
1,406 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
1,950 views
0 votes
1 answer

Simulation of a stochastic processes with drift

Check out below code. It's an example to ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
• 33,050 points
772 views
0 votes
0 answers

display first n numbers in a sequence

How to display first n numbers in ...READ MORE

Aug 30, 2019 in Data Analytics by chitra

edited Aug 30, 2019 456 views
0 votes
1 answer

What are the different ways of writing into file from R?

Hi Payal, These are the ways to write text ...READ MORE

Aug 29, 2019 in Data Analytics by anonymous
• 33,050 points
1,248 views
0 votes
1 answer

different ways of reading text files in R?

Hi Payal, These are the ways to read ...READ MORE

Aug 29, 2019 in Data Analytics by Cherukuri
• 33,050 points
768 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
817 views