Latest questions in Data Analytics

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, 2019 in Data Analytics by anonymous
 • 33,050 points • 868 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, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,172 views
0 votes
3 answers

How to select rows in a range from dataframe?

This should do it integer_location = np.where(df.index == ...READ MORE

Dec 16, 2020 in Data Analytics by Roshni
 • 10,480 points • 15,442 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, 2019 in Data Analytics by anonymous
 • 33,050 points • 5,988 views
0 votes
1 answer

How can I add line to show mean for each barplot, not for all dataset?

Hey ranjith,  Use geom_hline() function to add reference lines ...READ MORE

Oct 14, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 767 views
0 votes
2 answers

Error with installing ggplotly.

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

Aug 30, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,326 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
 • 33,050 points • 3,985 views
0 votes
1 answer

K Means using elbow method

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

Aug 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,180 views
0 votes
1 answer

Importance of fields in the dataset in randomforest

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

Aug 25, 2019 in Data Analytics by anonymous
 • 33,050 points • 674 views
0 votes
1 answer

compare actual values vs predicted values in decision tree

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

Aug 25, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 3,043 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 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 694 views
0 votes
1 answer

R vs Tableau data visualization.

@Yash, This is a requirement based question. ...READ MORE

Oct 28, 2019 in Data Analytics by anonymous
 • 33,050 points • 8,961 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 26, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 1,040 views
0 votes
1 answer

Add multiple sub plots within same panel.

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

Aug 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 2,173 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
 • 33,050 points • 1,898 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, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,757 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, 2019 in Data Analytics by anonymous
 • 33,050 points • 798 views
0 votes
0 answers

geom_point() in r

Hi, Is it possible to add point ...READ MORE

Aug 23, 2019 in Data Analytics by rachna
 • 699 views
0 votes
1 answer

Filter with nested if condition in R

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

Oct 14, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,008 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 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 865 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 26, 2019 in Data Analytics by anonymous
 • 33,050 points • 9,062 views
0 votes
1 answer

annotate marks in chart/ggplot

One way is to use ggrepel package. ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 730 views
0 votes
1 answer

Contingency tables in R

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

Aug 22, 2019 in Data Analytics by anonymous
 • 33,050 points • 911 views
0 votes
1 answer

R - Bar chart (bivariate/multivariate Analysis)

The bivariate analysis could be shown in ...READ MORE

Aug 22, 2019 in Data Analytics by anonymous
 • 33,050 points • 6,340 views
0 votes
0 answers

Merge dataframes with similar field values into one with aggregation

For suppose if these are my dataframes, ...READ MORE

Aug 21, 2019 in Data Analytics by kavitha
 • 605 views
0 votes
1 answer

Create random numbers in R

There are many ways to create a ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 880 views
0 votes
1 answer

Drop rows on condition from dataframe/dataset

Use code as below dataframe[which(dataframe$sales >= median(dataframe$sales)),] or ...READ MORE

Aug 22, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,171 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 22, 2019 in Data Analytics by anonymous
 • 33,050 points • 7,081 views
0 votes
1 answer

Return the current working directory in R

Use below command to fetch the current ...READ MORE

Aug 22, 2019 in Data Analytics by anonymous
 • 33,050 points • 787 views
0 votes
1 answer

Search elements in a vector or list

There are multiple functions and operators that can ...READ MORE

Aug 22, 2019 in Data Analytics by Cherukuri
 • 33,050 points • 674 views
0 votes
1 answer

Check palindrome or not in R

library(stringi) palindrome<-function(x) {   if(string_re ...READ MORE

Jan 14, 2022 in Data Analytics by Eshita Saha
edited Mar 5 • 7,504 views
0 votes
1 answer

R Error in matrix(if (is.null(value)) logical() else value, nrow = nr, dimnames = list(rn, : length of 'dimnames' [2] not equal to array extent

Hi Shiva, You need to provide a matrix ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 13,485 views
0 votes
1 answer

What is the difference between corrgram and corrplot?

Differences - Input - corrgram takes a dataset ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,437 views
0 votes
1 answer

R - Create a repetitive list from a smaller length vector to fit into dataframe

Hi Nithin, rep() is used to replicate a ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 775 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
 • 33,050 points • 2,181 views
0 votes
1 answer

How to format output in shiny app?

You can use sprintf() to define the ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,220 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 • 1,234 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
 • 33,050 points • 9,713 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
 • 33,050 points • 6,683 views
0 votes
1 answer

R Shiny Error: evaluation nested too deeply: infinite recursion / options(expressions=)?

Hi Kalpana, This error is due to ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,050 points • 3,640 views
0 votes
1 answer

Shiny r ,I'm doing a dashboard and I can not replace in the table below the name of the column by choosing the selectinput.

Hi, When you want to change any input ...READ MORE

Aug 19, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,358 views
0 votes
1 answer

nth maximum and nth smallest number in vector

Hi, You can use nth() function to find ...READ MORE

Aug 19, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,381 views
+1 vote
1 answer

How to add text inside shiny app?

Hi, You can use tahs$h1() to h6() to ...READ MORE

Aug 19, 2019 in Data Analytics by anonymous
 • 33,050 points • 15,462 views
0 votes
1 answer

How to add 2 ggplots side by side?

Hi, Use ggarrange() function to show multiple ggplot in ...READ MORE

Aug 19, 2019 in Data Analytics by anonymous
 • 33,050 points • 2,267 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
 • 33,050 points • 1,953 views
0 votes
1 answer

Error: stat_count() must not be used with a y aesthetic.

Hi Rayan, This error comes due to the ...READ MORE

Aug 19, 2019 in Data Analytics by anonymous
 • 33,050 points • 10,331 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
 • 33,050 points • 817 views
0 votes
1 answer

Images do not appear with runtime:shiny

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

Sep 24, 2019 in Data Analytics by anonymous
 • 33,050 points • 1,062 views
0 votes
1 answer

Shiny App or Dashboard - R

@Ruchitha, As the name says, the shiny app ...READ MORE

Oct 28, 2019 in Data Analytics by anonymous
 • 33,050 points • 696 views
0 votes
1 answer

How to add labels on bars in bar chart in ggplot?

Use geom_text() to add labels on the ...READ MORE

Aug 20, 2019 in Data Analytics by anonymous
 • 33,050 points • 4,175 views
Page:

Most popular tags

"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.