Most answered questions in Data Science

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How to establish a connection to a remote Redash database using R?

To connect to a Redash database using ...READ MORE

Feb 17, 2023 in Data Science by anonymous
 • 1,017 views
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1 answer

Using group by on multiple columns

Let me give you an example. A ...READ MORE

Jan 4, 2023 in Data Science by Smruthi Kilari
edited Mar 5 • 1,132 views
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1 answer

Finding duplicate rows in SQL Server

Use this : select o.orgName, oc.dupeCount, o.id from organizations ...READ MORE

Aug 14, 2022 in Data Science by narikkadan
 • 86,360 points • 852 views
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1 answer

R: Generate Random Numbers with "floor" and "runif"

It looks like there's a small issue ...READ MORE

Sep 8, 2023 in Data Science by anonymous
 • 1,420 points • 1,106 views
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1 answer

Forecast Package from R in Python

Yes, you can use the R forecast ...READ MORE

Sep 8, 2023 in Data Science by anonymous
 • 1,420 points • 969 views
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1 answer

How to use plotly in R shiny

Here's a corrected version of your code: # ...READ MORE

Sep 8, 2023 in Data Science by anonymous
 • 1,420 points • 1,119 views
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1 answer

Plot a legend outside of the plotting area in base graphics?

It appears that you are experiencing some ...READ MORE

Sep 8, 2023 in Data Science by anonymous
 • 1,420 points • 820 views
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1 answer

sample function in R

It seems like you are experiencing an ...READ MORE

Sep 8, 2023 in Data Science by anonymous
 • 1,420 points • 967 views
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1 answer

R command for setting working directory to source file location in Rstudio

Yes, you can specify your working directory ...READ MORE

Sep 8, 2023 in Data Science by anonymous
 • 1,420 points • 1,382 views
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1 answer

Unexpected behavior for setdiff() function in R

Asymmetric difference is provided by 18 setdiff. ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 1,458 views
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1 answer

grepl in R to find matches to any of a list of character strings

Inside of a grepl regular expression, you ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 3,840 views
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1 answer

What's the difference between "*" and "+" in lm() in R?

Lm is a fitting method for linear ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 1,571 views
0 votes
1 answer

Using dcast to widen a data frame

> dcast(z, id ~ item, value.var="freq") ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 745 views
0 votes
1 answer

Import CSV file using R

If there are quotes ("), by using ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 1,626 views
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Problem with sample function in R

The first time works, but after that, ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 823 views
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1 answer

How to implement Knn-algorithm without using k-nn function in r?

I created an example that demonstrates the ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 770 views
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1 answer

unique() for more than one variable

df <- data.frame(yad = c("BARBIE", "BARBIE", "BAKUGAN", ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 583 views
0 votes
1 answer

What does |> (pipe greater than) mean in R?

The "pipe" operator in R is |>. ...READ MORE

Jun 14, 2022 in Data Science by Sohail
 • 3,040 points • 2,233 views
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1 answer

The difference between Map() and map () from Purrr package in R

The tilde just indicates to the map ...READ MORE

Jun 14, 2022 in Data Science by Sohail
 • 3,040 points • 769 views
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1 answer

Filter multiple values on a string column in dplyr

The filter() function is used to select ...READ MORE

Jun 14, 2022 in Data Science by Sohail
 • 3,040 points • 1,383 views
0 votes
1 answer

Changing column names of a data frame

import pandas as pd #define DataFrame df = pd.DataFrame({'team':['A', ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 784 views
0 votes
1 answer

How to join (merge) data frames (inner, outer, left, right)

The merge function and its optional parameters ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 724 views
0 votes
1 answer

How to overlay density plots in R?

The second one has 104 usage lines: plot(density(MyData$Column1)) ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 1,366 views
0 votes
1 answer

rnorm function in R - Usage

y = rnorm(12, rep(c(1,2,1), each=4, 0.2)) I can ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 1,119 views
0 votes
1 answer

Add two lines on graph using abline in R

I am using "y 0+x" to fit ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 921 views
0 votes
1 answer

Why is it not advisable to use attach() in R, and what should I use instead?

There is one more option that applies ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 797 views
0 votes
1 answer

How To Create Vector of Vector In R

Create a list: List() on x returns x[[1]] ...READ MORE

Jun 24, 2022 in Data Science by Sohail
 • 3,040 points • 783 views
0 votes
1 answer

plotting in different shapes using pch= argument

plot(Sepal.Length ~ Petal.Length, ...READ MORE

Jun 23, 2022 in Data Science by Sohail
 • 3,040 points • 815 views
0 votes
1 answer

Creating new Functions with Linear Regression in R :

When we want to create a model ...READ MORE

Jun 1, 2022 in Data Science by Sohail
 • 3,040 points • 855 views
0 votes
1 answer

R cbind with get paste

This is how we use column names x ...READ MORE

Jun 1, 2022 in Data Science by Sohail
 • 3,040 points • 1,192 views
0 votes
1 answer

What does c do in R?

The c function in R programming usually stands ...READ MORE

Jun 1, 2022 in Data Science by Sohail
 • 3,040 points
edited Nov 28, 2023 by Soumya • 26,703 views
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1 answer

do-while loop in R

Unlike for and while loops, which test the loop condition at ...READ MORE

Jun 1, 2022 in Data Science by Sohail
 • 3,040 points • 938 views
0 votes
1 answer

R package dplyr reinstall every instance

In R, there are two steps of ...READ MORE

Jun 1, 2022 in Data Science by Sohail
 • 3,040 points • 928 views
0 votes
1 answer

Reasons for using the set.seed function

The requirement is a desire for repeatable ...READ MORE

Jun 20, 2022 in Data Science by Sohail
 • 3,040 points • 667 views
0 votes
1 answer

How to make loop for one-at-a time logistic regression in R?

You're probably looking for something similar to ...READ MORE

Jun 20, 2022 in Data Science by Sohail
 • 3,040 points • 1,381 views
0 votes
1 answer

Difference between the == and %in% operators in R

According to help('percent in percent'), percent in ...READ MORE

Jun 23, 2022 in Data Science by Sohail
 • 3,040 points • 773 views
0 votes
1 answer

Difference between the == and %in% operators in R

percent in percent "returns a vector of ...READ MORE

Jun 20, 2022 in Data Science by Sohail
 • 3,040 points • 1,048 views
0 votes
1 answer

Test if a vector contains a given element

1. Making use of the std::count function Counting ...READ MORE

Jun 20, 2022 in Data Science by Sohail
 • 3,040 points • 763 views
0 votes
1 answer

Converting xlsx to xls using Microsoft Office Compitablity Pack's excelcnv

Simply rearranging the positions of the parameters ...READ MORE

Mar 25, 2022 in Data Science by gaurav
 • 23,580 points • 1,872 views
0 votes
0 answers

How do you handle failover in cloud environments?

In my cloud application, I can’t afford ...READ MORE

Nov 21, 2024 in Data Science by Priyanka
 • 4,380 points • 216 views
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Can you me IPL dataset for Tableau practice

O READ MORE

Apr 25, 2024 in Data Science by Rahul
edited Mar 5 • 299 views
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what is intelligent automation ?

Feb 19, 2024 in Data Science by Evanjalin
 • 36,180 points • 444 views
0 votes
0 answers

from diploma EEE to a IT

Hi there,  i am working as a production ...READ MORE

May 3, 2023 in Data Science by Sandeep
edited Mar 5 • 251 views
0 votes
0 answers

Correlation and heatmap for dataset having numerical and categorical variables

I want to measure the correlation and ...READ MORE

Mar 1, 2023 in Data Science by Chitrolekha
edited Mar 5 • 298 views
0 votes
0 answers

Concatenate two layers Tensorflow.js

I am new to TensorflowJS and I ...READ MORE

Jan 31, 2023 in Data Science by Tejashwini
 • 5,380 points
edited Mar 4 • 167 views
0 votes
0 answers

Converting a nested dictionary into Flattened dictionary

Consider a nested dictionary as follows: {'Fruit': ...READ MORE

Dec 23, 2022 in Data Science by Rahul
edited Mar 4 • 204 views
0 votes
0 answers

Is it mandatory to create all the data graphs while performing EDA?

Hi , while performing EDA on any ...READ MORE

Nov 26, 2022 in Data Science by Edureka
edited Mar 4 • 143 views
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0 answers

Heart Disease Using K-NN

error = [] # calculation error for K ...READ MORE

Sep 15, 2022 in Data Science by Himanshu
edited Mar 4 • 197 views
0 votes
0 answers

What does R assume regarding order in paired t-test?

I'm assuming that the data are assumed ...READ MORE

Jul 22, 2022 in Data Science by avinash
 • 1,840 points • 1,919 views
0 votes
0 answers

How to read a csv-file from an url in R?

I'm not very experienced with R, so ...READ MORE

Jul 22, 2022 in Data Science by avinash
 • 1,840 points • 949 views
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