Unanswered questions in Data Analytics

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How do I show "0" values in a filtered pivot table?

How do I show a "0" value ...READ MORE

Jul 2, 2024 in Data Analytics by MattZielenski

edited Mar 5 36 views
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Apache Flume is not proceeding to retrieve Twitter data

I download Apache Flume 1.11.0, Hadoop 3.3.1 ...READ MORE

Nov 27, 2022 in Data Analytics by anonymous

edited Mar 4 124 views
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How to calculate the mean/sd of a vector without using the in-built R function?

I'm just having trouble understanding what must ...READ MORE

Jul 25, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 125 views
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How to run the Kruskal-Wallis or Mann-Whitney Test in R?

Can anyone give me a hint on ...READ MORE

Jul 25, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 112 views
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What does R assume regarding order in paired t-test?

In the non-formula signature of the t.test function t.test(x, y, ...READ MORE

Jul 25, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 97 views
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How does cut with breaks work in R

I've tried using?cut but haven't been able ...READ MORE

Jul 20, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 16 views
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How to properly use the predict function in R

0 First I'm going to give you some ...READ MORE

Jul 18, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 15 views
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Why does as.character() return an integer on a list of dates?

I was shocked to see R act ...READ MORE

Jul 18, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 16 views
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Inline eding a column data in Power BI report

HI, Is there any way to edit the ...READ MORE

Jul 12, 2022 in Data Analytics by santosh

edited Mar 4 15 views
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Create data frame from function in R

One function that I designed can produce ...READ MORE

Jul 9, 2022 in Data Analytics by avinash
• 1,840 points
978 views
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How can two strings be concatenated?

cbind = tmp ("GAD", "AB") tmp # [,1] ...READ MORE

Jul 5, 2022 in Data Analytics by avinash
• 1,840 points
499 views
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0 answers

Confidence interval calculation in R

When attempting to compute the CI in ...READ MORE

Jul 5, 2022 in Data Analytics by avinash
• 1,840 points
594 views
0 votes
0 answers

How can I avoid the transformation into an atomic vector in a matrix (r programming)

I'm scrambling to come up with a ...READ MORE

Jul 5, 2022 in Data Analytics by avinash
• 1,840 points
558 views
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0 answers

Extracting the last n characters from a string in R

See the code below: library(dslabs) data(gapminder) differenceminder percent > percent filter(year% ...READ MORE

Jul 5, 2022 in Data Analytics by avinash
• 1,840 points
550 views
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Why 'nrow()' function doesn't seem to work within 'summarise()' function?

See the code below: library(dslabs) data(gapminder) differenceminder percent > percent filter(year% ...READ MORE

Jul 5, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 13 views
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Load csv file in R

Is it possible to import a csv ...READ MORE

Jun 30, 2022 in Data Analytics by avinash
• 1,840 points
422 views
0 votes
0 answers

Send str() output to View()

A dataset containing 313 variables is the ...READ MORE

Jun 30, 2022 in Data Analytics by avinash
• 1,840 points
465 views
0 votes
0 answers

Send str() output to View()

A dataset containing 313 variables is the ...READ MORE

Jun 30, 2022 in Data Analytics by avinash
• 1,840 points

edited Mar 4 13 views
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Get row and column indices of matches using `which()`

months and 9 years ago updated ten months ...READ MORE

Jun 27, 2022 in Data Analytics by avinash
• 1,840 points
374 views
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Extracting the last n characters from a string in R

The final n characters of a string ...READ MORE

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

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
418 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
469 views
0 votes
0 answers

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
1,484 views
0 votes
0 answers

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
521 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
554 views
0 votes
0 answers

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
522 views
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0 answers

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
604 views
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0 answers

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
403 views
0 votes
0 answers

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
609 views
0 votes
0 answers

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

edited Mar 4 11 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
403 views
0 votes
0 answers

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
459 views
0 votes
0 answers

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
409 views
0 votes
0 answers

Using dcast to widen a data frame

I've got the following data set: data.frame(z, z, ...READ MORE

Jun 20, 2022 in Data Analytics by Avinash
• 1,260 points

edited Mar 4 15 views
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Using dcast to widen a data frame

I've got the following data set: data.frame(z, z, ...READ MORE

Jun 20, 2022 in Data Analytics by Avinash
• 1,260 points

edited Mar 4 13 views
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0 answers

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
326 views
0 votes
0 answers

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
545 views
0 votes
0 answers

How do I change the data type of this column?

Hi, I have two columns in a ...READ MORE

Jun 12, 2022 in Data Analytics by Ahmad

edited Mar 4 13 views
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How to identify which columns are not "NA" per row in a matrix?

I have a matrix of 12 rows ...READ MORE

Jun 10, 2022 in Data Analytics by Avinash
• 1,260 points

edited Mar 4 16 views
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How to identify which columns are not "NA" per row in a matrix?

I have a matrix of 12 rows ...READ MORE

Jun 10, 2022 in Data Analytics by Avinash
• 1,260 points

edited Mar 4 15 views
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0 answers

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
618 views
0 votes
0 answers

How to find the statistical mode?

Mean() and median() are common R functions ...READ MORE

Jun 10, 2022 in Data Analytics by Avinash
• 1,260 points

edited Mar 4 15 views
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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
937 views
0 votes
0 answers

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
469 views
0 votes
0 answers

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
383 views
0 votes
0 answers

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
412 views
0 votes
0 answers

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
912 views
0 votes
0 answers

How to print the head (first 10 rows) with only select variables in R

In order to print out the first ...READ MORE

Jun 9, 2022 in Data Analytics by Avinash
• 1,260 points

edited Mar 4 15 views