Trending questions in Data Analytics

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web scraping on Tripadvisor's review

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

Sep 16 in Data Analytics by Cherukuri
• 27,960 points
51 views
0 votes
1 answer

How to take input from user in R?

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

3 days ago in Data Analytics by Cherukuri
• 27,960 points
18 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 in Data Analytics by anonymous
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34 views
0 votes
1 answer

Images do not appear with runtime:shiny

@kalyan Before running the file, create a www ...READ MORE

Sep 24 in Data Analytics by anonymous
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19 views
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1 answer

Submit all 3 inputs vs one using button in shiny

Hi, Preethi. When you want to submit individually, ...READ MORE

Sep 24 in Data Analytics by anonymous
• 27,960 points
23 views
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1 answer

How to use mailR package?

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

Sep 4 in Data Analytics by anonymous
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12 views
0 votes
1 answer

help with calculation

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

Sep 3 in Data Analytics by anonymous
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19 views
0 votes
1 answer

Shiny app widgests side by side

Hey, Use CSS to float the input widgets ...READ MORE

Sep 24 in Data Analytics by anonymous
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10 views
0 votes
0 answers

SVM model in R

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

Sep 3 in Data Analytics by ratna
15 views
0 votes
0 answers

Error installing mailR package.

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

Sep 3 in Data Analytics by nitya
10 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 in Data Analytics by anonymous
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17 views
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1 answer

plot trees in R

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

Aug 30 in Data Analytics by anonymous
• 27,960 points
57 views
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1 answer

Create a tree model in R from data.frame?

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

Aug 30 in Data Analytics by anonymous
• 27,960 points
38 views
0 votes
2 answers

Error with installing ggplotly.

@bobby, uninstall Rtools and reinstall Rtools with ...READ MORE

Aug 30 in Data Analytics by anonymous
• 27,960 points
15 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 in Data Analytics by anonymous
• 27,960 points
24 views
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1 answer

R - convert tree to nested list

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

Aug 30 in Data Analytics by anonymous
• 27,960 points
22 views
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1 answer

Convert hclusters to tree in R

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

Aug 30 in Data Analytics by anonymous
• 27,960 points
22 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 in Data Analytics by anonymous
• 27,960 points
15 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 in Data Analytics by anonymous
• 27,960 points
43 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 in Data Analytics by anonymous
• 27,960 points
15 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 in Data Analytics by anonymous
• 27,960 points
40 views
0 votes
1 answer

Convert markdown pages into interactive shiny apps.

Hi, Follow the below steps: 1. Add shiny runtime ...READ MORE

Aug 30 in Data Analytics by anonymous
• 27,960 points
19 views
0 votes
1 answer

How to select rows in a range from dataframe?

Hi, There are different functions to select or ...READ MORE

Aug 30 in Data Analytics by anonymous
• 27,960 points
15 views
0 votes
1 answer

How to modify column values using the same column without duplicating column?

Hi, Use mutate(). returns selected columns after modifying the ...READ MORE

Aug 30 in Data Analytics by anonymous
• 27,960 points
16 views
0 votes
1 answer

How to render outputs of few elements(graphs) in shiny app?

hi Racheal, You can isolate those outputs which ...READ MORE

Aug 30 in Data Analytics by anonymous
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10 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 in Data Analytics by Cherukuri
• 27,960 points
14 views
0 votes
0 answers

Convert nested list to dendogram - R

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

Aug 30 in Data Analytics by ramya
14 views
0 votes
0 answers

display first n numbers in a sequence

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

Aug 30 in Data Analytics by chitra

edited Aug 30 17 views
0 votes
1 answer

Shiny app - tabs refresh content

Asha, It's very important to not add too ...READ MORE

Sep 24 in Data Analytics by Cherukuri
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39 views
0 votes
0 answers

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

How to set choices of inputs within ...READ MORE

Aug 29 in Data Analytics by kajal
11 views
0 votes
1 answer

K Means using elbow method

Elbow method allows the user to know ...READ MORE

Aug 26 in Data Analytics by anonymous
• 27,960 points
69 views
0 votes
1 answer

How to see the tree after making decision tree?

Hey Bindhu, If you have created a decision tree using ...READ MORE

Aug 25 in Data Analytics by anonymous
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15 views
0 votes
1 answer

How to convert a ggplot to plotly object?

Hi, John, There is a package called ggplotly ...READ MORE

Aug 26 in Data Analytics by anonymous
• 27,960 points
22 views
0 votes
1 answer

Importance of fields in the dataset in randomforest

Use Function importance() which defines the importance ...READ MORE

Aug 25 in Data Analytics by anonymous
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13 views
0 votes
1 answer

Add multiple sub plots within same panel.

Hi, Karthi The subplot() function in plotly provides ...READ MORE

Aug 26 in Data Analytics by anonymous
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18 views
0 votes
1 answer

compare actual values vs predicted values in decision tree

You can compare test data using table() ...READ MORE

Aug 24 in Data Analytics by Cherukuri
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24 views
0 votes
1 answer

Define a matrix, vector and determinent in rmarkdown html document

Hi Riya, I have given some examples below ...READ MORE

Sep 17 in Data Analytics by rahul

edited Sep 17 25 views
0 votes
1 answer

What are the top packages in R for data visualization?

These are the top R packages used ...READ MORE

Aug 25 in Data Analytics by Cherukuri
• 27,960 points
13 views
0 votes
1 answer

Rmarkdown color to inline and block text

Hey, To mark text as inline, use a ...READ MORE

Sep 17 in Data Analytics by anonymous
• 27,960 points
19 views
0 votes
1 answer

Can you use 2 dataframes in one ggplot?

Hi, Archana You can use only one data ...READ MORE

Aug 26 in Data Analytics by anonymous
• 27,960 points
13 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 in Data Analytics by Cherukuri
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15 views
0 votes
1 answer

Reverse the stack order in a stacked bar chart

Hi kriti, Use below code inside geom_bar function. position ...READ MORE

Aug 25 in Data Analytics by anonymous
• 27,960 points
18 views
0 votes
1 answer

How to use plyr and dplyr functions inside one source file?

Hi, Lakshmi, Use dplyr::function( ) or plyr::function( ). Since ...READ MORE

Aug 25 in Data Analytics by anonymous
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16 views
0 votes
1 answer

Hide code while running markdown html document

Assign echo and warning as false to display ...READ MORE

Sep 10 in Data Analytics by kamal
11 views
0 votes
1 answer

How to save datasets in R as external file?

One way is to save the data ...READ MORE

Sep 10 in Data Analytics by kamal
16 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 in Data Analytics by Cherukuri
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153 views
0 votes
1 answer

Contingency tables in R

You can build 2 types of contingency ...READ MORE

Aug 21 in Data Analytics by anonymous
• 27,960 points
94 views
0 votes
1 answer

Append r output in the title of rmarkdown document

Insert with `r <code> ` withion markdown ...READ MORE

Sep 10 in Data Analytics by priya
14 views
0 votes
1 answer

Export the updated or manipulated dataframe or result as csv and excel file

Hi, Karthik. Check it out how to write ...READ MORE

Sep 10 in Data Analytics by sindhu
15 views