Trending questions in Data Analytics

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Show SQL equivalent code of dplyr code in R

show_query() translated dplyr code into sql equivalent ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
• 32,490 points
261 views
0 votes
1 answer

R Shiny Error: Object of type 'closure' is not subsettable

The error you mentioned happens when you ...READ MORE

Aug 20, 2019 in Data Analytics by anonymous
• 32,490 points
2,220 views
0 votes
1 answer

Display labels within pie chart

See below example- df <- data.frame( name ...READ MORE

Nov 2, 2019 in Data Analytics by Cherukuri
• 32,490 points
611 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
• 32,490 points
69 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
43 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
• 32,490 points
602 views
0 votes
1 answer

How to convert a continuous variable to discrete variable and vice versa in R?

Discretize function convert a continuous variable into ...READ MORE

Nov 4, 2019 in Data Analytics by rajeev
1,028 views
+1 vote
1 answer

map data not yet available

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

Oct 14, 2019 in Data Analytics by anonymous
• 32,490 points
172 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
• 32,490 points
71 views
0 votes
1 answer

R Shiny Error: no applicable method for 'filter_' applied to an object of class "c('reactiveExpr','reactive')"

The error could be because of using reactive ...READ MORE

Aug 21, 2019 in Data Analytics by Cherukuri
• 32,490 points
2,012 views
0 votes
1 answer

List all dataframes in R session.

Try this. for(x in ls()){   if("data.frame" %in% ...READ MORE

Nov 4, 2019 in Data Analytics by anonymous
• 32,490 points
844 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
• 32,490 points
52 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
• 32,490 points
609 views
0 votes
1 answer

R Shiny: Select input choice inside server function.

Use renderUI function within the server function ...READ MORE

Oct 28, 2019 in Data Analytics by Cherukuri
• 32,490 points
594 views
0 votes
11 answers

Changing the legend title in ggplot

Hi, you can also try guides() to ...READ MORE

Jul 30, 2019 in Data Analytics by Cherukuri
• 32,490 points
11,774 views
0 votes
1 answer

Sunburst charts using plotly

See below example library(plotly) p <- plot_ly( labels ...READ MORE

Nov 3, 2019 in Data Analytics by Cherukuri
• 32,490 points
831 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
• 32,490 points
213 views
0 votes
1 answer

Error: object 'params' not found.

@pragyat, Remove " " around data value in ...READ MORE

Nov 4, 2019 in Data Analytics by priya
697 views
0 votes
1 answer

Navigate from one page to another using R

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

Oct 13, 2019 in Data Analytics by anonymous
• 32,490 points
79 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
• 32,490 points
76 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
• 32,490 points
122 views
0 votes
1 answer

How to add tooltips to ggplot object?

@ashish, you can use ggplotly package to ...READ MORE

Oct 28, 2019 in Data Analytics by Cherukuri
• 32,490 points
260 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
• 32,490 points
96 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
318 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
• 32,490 points
74 views
0 votes
1 answer

Add secondary axis as a dual axis in R plot

You can add a secondary axis in ...READ MORE

Nov 4, 2019 in Data Analytics by keerthi
699 views
0 votes
1 answer

Check if number is armstrong number or not

Hey, # take input from the user num = ...READ MORE

Sep 30, 2019 in Data Analytics by anonymous
• 32,490 points
64 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
• 32,490 points
59 views
0 votes
1 answer

Donut chart - R

@Kruthi, Refer to this blog on how to ...READ MORE

Oct 28, 2019 in Data Analytics by Cherukuri
• 32,490 points
331 views
0 votes
1 answer

How to hide/show tabs in shiny app in R?

Hi, Radha One way is to use hidetab ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
• 32,490 points
1,660 views
0 votes
1 answer

Difference between summarise() and summarize() in R

summarise() and summarize() are synonyms. READ MORE

Sep 24, 2019 in Data Analytics by anonymous
1,789 views
0 votes
1 answer

Error: package or namespace load failed for ‘ggplot2’ - R

Radha, Try restarting the session. the same ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
• 32,490 points
1,257 views
0 votes
1 answer

Waterfall chart using plotly in R

A simple waterfall chart using plotly - df ...READ MORE

Nov 2, 2019 in Data Analytics by Cherukuri
• 32,490 points
590 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
168 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
• 32,490 points
114 views
0 votes
1 answer

How to crop white space around image(Magick) in R?

@sreenivas, Use image_trim to crop the extra part of ...READ MORE

Oct 28, 2019 in Data Analytics by Cherukuri
• 32,490 points
110 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
125 views
0 votes
1 answer

Create a dual axis column/bar chart using ggplot in R

Add position = "stack" in geom_bar() function ...READ MORE

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

Filter with nested if condition in R

Hi Raksha, Use the filter function to filter ...READ MORE

Oct 13, 2019 in Data Analytics by anonymous
• 32,490 points
360 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
• 32,490 points
440 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 24, 2019 in Data Analytics by Cherukuri
• 32,490 points
65 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 24, 2019 in Data Analytics by anonymous
• 32,490 points
55 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
257 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
360 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 24, 2019 in Data Analytics by anonymous
• 3,450 points
47 views
0 votes
1 answer

Add a index/Row number column to dataframe

Hi, Bharath. You can add index using seq(1:nrow(data frame)). Example ...READ MORE

Sep 10, 2019 in Data Analytics by Cherukuri
• 32,490 points
1,375 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
75 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
• 32,490 points
67 views
0 votes
1 answer

How to build a correlation matrix in R?

@payal, You want to find the correlation ...READ MORE

Oct 28, 2019 in Data Analytics by Cherukuri
• 32,490 points
137 views