Most answered questions in Data Analytics

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Why 'nrow()' function doesn't seem to work within 'summarise()' function?

See the code below: library(dslabs) \sdata(gapminder) gapminder percent > ...READ MORE

Jun 27, 2022 in Data Analytics by avinash
 • 1,840 points • 206 views
0 votes
0 answers

Standard Deviation in R Seems to be Returning the Wrong Answer - Am I Doing Something Wrong?

An easy illustration of standard deviation calculation: The ...READ MORE

Jun 27, 2022 in Data Analytics by avinash
 • 1,840 points • 275 views
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R function rep() in Python (replicates elements of a list/vector)

Each element of a vector is duplicated ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
 • 3,040 points • 1,036 views
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Looping with arima in R

I'm attempting to use the for function ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
 • 3,040 points • 234 views
0 votes
0 answers

Using One Sample Kolmogorov Smirnov Test in R for in-group Variation/ Distribution

0 In order to compare the voice characteristics ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
 • 3,040 points • 367 views
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Understanding output of rbind function when a list is passed as argument

While using R to practise fundamental matrices ...READ MORE

Jun 24, 2022 in Data Analytics by Avinash
 • 1,260 points • 294 views
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How can I rbind multiple single-value rows to my data.frame?

0 What follows functions as expected: Data.frame(c(1, 2, 3)) ...READ MORE

Jun 24, 2022 in Data Analytics by Avinash
 • 1,260 points • 381 views
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paste() within another function

I'm not clear why the first function ...READ MORE

Jun 24, 2022 in Data Analytics by Avinash
 • 1,260 points • 228 views
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pass character strings to ggplot2 within a function

In order to streamline my work process, ...READ MORE

Jun 24, 2022 in Data Analytics by Avinash
 • 1,260 points • 407 views
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Is there a quantile function in R that includes both given x and given probs?

I need a R function that computes ...READ MORE

Jun 23, 2022 in Data Analytics by avinash
 • 1,840 points • 221 views
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What is meant by "An Object" when we use Str() Function in R

Everyone agrees that str() reveals an object's ...READ MORE

Jun 23, 2022 in Data Analytics by avinash
 • 1,840 points • 240 views
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What's the use of which?

I'm trying to get a handle on ...READ MORE

Jun 23, 2022 in Data Analytics by avinash
 • 1,840 points • 246 views
0 votes
0 answers

Use of ggplot() within another function in R [closed]

Using the ggplot2 package, I'm attempting to ...READ MORE

Jun 22, 2022 in Data Analytics by avinash
 • 1,840 points
closed Jun 22, 2022 by avinash • 344 views
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https://www.edureka.co/community/183864/mean-of-categorical-variables-from-plyr-package

I'm modelling with the fpp2 package's data ...READ MORE

Jun 17, 2022 in Data Analytics by Avinash
 • 1,260 points • 166 views
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R package: Write own summary function (method)

I created a R package that fits ...READ MORE

Jun 14, 2022 in Data Analytics by Avinash
 • 1,260 points • 294 views
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Function to clear the console in R and RStudio

I'm curious if there is a way ...READ MORE

Jun 10, 2022 in Data Analytics by Avinash
 • 1,260 points • 396 views
0 votes
0 answers

R: use of "where" to select rows by matching an element from a list

I'm trying to utilise R's "where" function ...READ MORE

Jun 10, 2022 in Data Analytics by Avinash
 • 1,260 points • 557 views
0 votes
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Why I cannot save mutate result in r?

I tried to rank "date" within each ...READ MORE

Jun 9, 2022 in Data Analytics by Avinash
 • 1,260 points • 223 views
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How to generate correlation plot of my data.frame in R?

I have a df and I want ...READ MORE

Jun 9, 2022 in Data Analytics by Avinash
 • 1,260 points • 191 views
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How to create a data summary function?

I'm trying to create a function that ...READ MORE

Jun 9, 2022 in Data Analytics by Avinash
 • 1,260 points • 214 views
0 votes
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What does na.rm=TRUE actually means?

Whenever we want to have NA in ...READ MORE

Jun 9, 2022 in Data Analytics by Avinash
 • 1,260 points • 635 views
0 votes
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Error in xy.coords(x, y, xlabel, ylabel, log) : argument "x" is missing, with no default

Hi, my code is showing this, what's ...READ MORE

Sep 7, 2020 in Data Analytics by Nurdiana
 • 120 points
recategorized Sep 7, 2020 by Gitika • 1,774 views
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i want downloded previous classes of data science webinars

Aug 10, 2020 in Data Analytics by Chandra
 • 120 points • 355 views
0 votes
0 answers

How can i change elements in r programming language

If A=1,2,3 and B=1,2,3,4 and C=20,44,39 in ...READ MORE

Jul 23, 2020 in Data Analytics by Arpita
 • 120 points • 407 views
+4 votes
0 answers

R programming Error: Error in if (d >= 0) { : missing value where TRUE/FALSE needed

Here is my code: for(i in 1:(nrow(moon_sub))){   l_df[i,] <- ...READ MORE

Jun 24, 2020 in Data Analytics by Molly
 • 160 points • 802 views
0 votes
0 answers

error while executing the OAuthFactory statement

READ MORE

May 12, 2020 in Data Analytics by AKULA.
 • 120 points • 498 views
+1 vote
0 answers

Error in if (x[i] == y[i]) { : missing value where TRUE/FALSE needed?

May 12, 2020 in Data Analytics by Tanishka
 • 130 points • 1,225 views
0 votes
0 answers

How can I create a graph for R? (barplot)

I want to draw a graph of ...READ MORE

Apr 10, 2020 in Data Analytics by anonymous
 • 120 points • 356 views
0 votes
0 answers

How to extract one column data using other column data with if else statements with r programming.

Mar 14, 2020 in Data Analytics by Mohith
 • 120 points • 724 views
0 votes
0 answers

Rstudio "Erreur : unexpected symbol in:"

Bonjour, I'm new to Rstudio programming. I ...READ MORE

Mar 3, 2020 in Data Analytics by Juli -
 • 120 points
edited Mar 4, 2020 by Gitika • 1,333 views
+4 votes
0 answers

I was unable to cluster the data points using dbscan in R programming

After using dbscan package I was given with ...READ MORE

Feb 2, 2020 in Data Analytics by ramthotahappy
 • 160 points • 778 views
+4 votes
0 answers

I want to remove NA in single column without remove rows. cause my data have 62 row, after i remove its just 10 without NA

Dec 30, 2019 in Data Analytics by Phan
 • 160 points • 833 views
+4 votes
0 answers

Counting the frequency of user activities - R

Within a data frame (see below), I ...READ MORE

Dec 3, 2019 in Data Analytics by anonymous
 • 160 points • 1,224 views
0 votes
0 answers

How to convert a table into tree?

I used getTree() and randomForest object to ...READ MORE

Oct 22, 2019 in Data Analytics by ch
 • 3,450 points • 811 views
0 votes
0 answers

How to visualize the randomForest model in R?

How to visualize the randomForest model in ...READ MORE

Oct 22, 2019 in Data Analytics by ch
 • 3,450 points • 558 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 • 395 views
+1 vote
0 answers

How to zip a folder with r image files from RStudio?

How to zip a folder with r ...READ MORE

Oct 10, 2019 in Data Analytics by ch
 • 3,450 points • 1,022 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 • 515 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 • 515 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 • 577 views
0 votes
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Add multiple maps over each other

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

Sep 19, 2019 in Data Analytics by anonymous
 • 33,030 points • 606 views
0 votes
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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
 • 33,030 points • 486 views
0 votes
0 answers

I am new to R and need to encode the standard DES - Data encription algorithm in R. Can anyone help me?

Sep 5, 2019 in Data Analytics by marcos
 • 120 points • 441 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
 • 444 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
 • 748 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
 • 511 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 • 294 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
 • 454 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
 • 326 views
0 votes
0 answers

Select input dynamically in r shiny

The datset im using will be updated ...READ MORE

Aug 14, 2019 in Data Analytics by ruchi
 • 319 views
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