Latest 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 5 238 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 4 317 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
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edited Mar 4 297 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 4 292 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 4 234 views
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1 answer

How to Use rbind and cbind on Single Dataframe

To obtain the desired output, you can ...READ MORE

Jun 22, 2023 in Data Analytics by anonymous
• 1,420 points
1,527 views
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1 answer

Speed up the loop operation in R

To improve the performance of your code, ...READ MORE

Jun 22, 2023 in Data Analytics by anonymous
• 1,420 points
1,317 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 4 176 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
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edited Mar 4 197 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
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edited Mar 4 166 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 4 162 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
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1,164 views
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1 answer

All Levels of a Factor in a Model Matrix in R

Yes, you can modify the model.matrix() function ...READ MORE

Jun 22, 2023 in Data Analytics by anonymous
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1,609 views
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Extracting specific columns from a data frame

Yes, there is a more efficient method ...READ MORE

Jun 22, 2023 in Data Analytics by anonymous
• 1,420 points
1,339 views
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how to use the Box-Cox power transformation in R

Yes, you are on the right track ...READ MORE

Jun 22, 2023 in Data Analytics by anonymous
• 1,420 points
1,819 views
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1 answer

What is the difference between rm() and rm(list=ls())?

Yes, you can clear all variables in ...READ MORE

Jun 22, 2023 in Data Analytics by anonymous
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1,534 views
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1 answer

Error: could not find function ... in R

If you encounter an error stating "'some.function' ...READ MORE

Jun 22, 2023 in Data Analytics by anonymous
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1,217 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
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697 views
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Confidence interval calculation in R

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

Jul 5, 2022 in Data Analytics by avinash
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744 views
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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
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711 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
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687 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
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edited Mar 4 167 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
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545 views
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Send str() output to View()

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

Jun 30, 2022 in Data Analytics by avinash
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599 views
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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 4 162 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
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492 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
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764 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
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567 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
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620 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
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1,694 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
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695 views
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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
681 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
663 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
746 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
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571 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
736 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

edited Mar 4 141 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
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598 views
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1 answer

what is diffrence between NROW and nrow in r?

5 In R, you may always check ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
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1,671 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
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623 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
596 views
0 votes
1 answer

why the predict() function does have different rows in R

Alter this sentence: model = lm(train$latitude train$crashes) to lm(crashes ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
• 3,040 points
1,334 views
0 votes
1 answer

Text mining- how to build a term-document matrix

You're not loading the TM library, and ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
• 3,040 points
1,082 views
0 votes
1 answer

why the predict() function does have different rows in R

Alter this sentence: model = lm(train$latitude train$crashes) to lm(crashes ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
• 3,040 points
1,308 views
0 votes
1 answer

R numbers from 1 to 100

Your error is seeking for range, which ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
• 3,040 points
2,406 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 779 views
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1 answer

StepAIC() stopping point

Square RSS Df Sum AIC 169 61.3 ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
• 3,040 points
1,051 views
0 votes
1 answer

What does 'r' mean before a Regex pattern?

Since the string is to be treated ...READ MORE

Jun 24, 2022 in Data Analytics by Sohail
• 3,040 points
2,237 views