Trending questions in Data Analytics

0 votes
1 answer

Manage length of field values

Hi, Use str_pad() function to format the length ...READ MORE

Oct 23, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,533 views
0 votes
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 • 1,719 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 • 2,523 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 • 4,614 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 • 3,044 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 • 2,868 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
 • 1,624 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 • 1,989 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
 • 1,717 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 • 2,189 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
 • 2,904 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 • 2,514 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
 • 2,964 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 • 3,170 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 • 1,704 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
 • 1,638 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 • 2,162 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 • 1,618 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 • 1,590 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 • 2,180 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 • 2,688 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 • 3,943 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 • 4,028 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 • 1,386 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 • 1,817 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 • 1,976 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 • 1,457 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 • 2,034 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 • 1,441 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 • 2,214 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 • 3,087 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 • 1,759 views
+1 vote
1 answer

Error saying "Error in file(out, "wt") : cannot open the connection" when execute help command in r

Hey @Ali, change working dir, exit r ...READ MORE

Nov 21, 2018 in Data Analytics by Maverick
 • 10,840 points • 15,443 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 • 2,766 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 • 2,994 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 • 2,170 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 • 2,179 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
 • 2,374 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 • 2,018 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 • 2,202 views
+7 votes
4 answers

How can I include javascript code into my shiny R dashboard?

There are multiple ways doing this. One ...READ MORE

Dec 5, 2018 in Data Analytics by Maverick
 • 10,840 points • 8,451 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 • 1,789 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 • 1,737 views
0 votes
1 answer

ggplot2 - scatter plot with boxplot to show the outliers

Add another layer of scatter plot on ...READ MORE

Aug 2, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 4,253 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 • 3,001 views
0 votes
2 answers

How to subset rows containing NA in a chosen column of a data frame?

You can give this a try. subset(dataframe, is.na(dataframe$col2)) ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 13,755 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 • 1,396 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 • 1,710 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 • 2,184 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 • 3,570 views
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