Most answered questions in Data Analytics

0 votes
2 answers

How can I group a set of values by column using R programming?

Try this , Employee %>% group_by(EmpID) %>% mutate(SumSalary ...READ MORE

Aug 14, 2019 in Data Analytics by anonymous
 • 721 views
0 votes
2 answers

What is the difference between %% and % in R programming?

HI, %% returns remainder in case of numeric ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,030 points • 2,251 views
0 votes
2 answers

R programming: r bind error

You can use arrange function at last ...READ MORE

Sep 3, 2019 in Data Analytics by anonymous
 • 33,030 points • 821 views
0 votes
2 answers

How to create a table in R without external file?

Tibble also creates a table-like structure. Use below ...READ MORE

Sep 3, 2019 in Data Analytics by anonymous
 • 33,030 points • 2,888 views
0 votes
2 answers

R programming: Removing NA values

Hi, Use na.rm = TRUE or Fetch values which has ...READ MORE

Aug 30, 2019 in Data Analytics by anonymous
 • 33,030 points • 967 views
0 votes
2 answers

R Programming error in if condition

Hi. Instead of breaking the line add it ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,030 points • 921 views
+1 vote
2 answers

Skills required to become an R programmer

As you want to become an r ...READ MORE

Aug 16, 2019 in Data Analytics by anonymous
 • 33,030 points • 1,598 views
+1 vote
2 answers

unique length of combinations

Try this: sum(mtcars$mpg == 21.0 & mtcars$cyl == ...READ MORE

Dec 26, 2018 in Data Analytics by Omkar
 • 69,230 points • 553 views
+1 vote
2 answers

Error saying "R cannot be resolved" Android Error

Also check this out: https://www.edureka.co/community/29897/saying-ca ...READ MORE

Dec 12, 2018 in Data Analytics by Maverick
 • 10,840 points • 734 views
+5 votes
2 answers

Predict weight when height is given using linear regression in R

You can try something like this: # The ...READ MORE

Dec 12, 2018 in Data Analytics by Purva
 • 6,570 views
+2 votes
2 answers

Change data type of one column in R

You can change data types using as.* ...READ MORE

Aug 16, 2019 in Data Analytics by anonymous
 • 33,030 points • 119,324 views
0 votes
2 answers

How to add sliderbars in a shiny R dashboard?

To add slider bar and slider range ...READ MORE

Dec 5, 2018 in Data Analytics by Kalgi
 • 52,360 points • 1,313 views
0 votes
2 answers

How to arrange a data set in ascending order based on a variable?

In your case it'll be, orderedviews = arrange(movie_views, ...READ MORE

Nov 27, 2018 in Data Analytics by Kalgi
 • 52,360 points • 1,027 views
+2 votes
2 answers

Error when executing write.csv function in R

row.names = F READ MORE

Mar 5, 2019 in Data Analytics by anonymous
 • 5,598 views
0 votes
2 answers

Message saying "would you like to use a private library instead?" when trying to install a package

This question appears if your user environment ...READ MORE

Nov 4, 2019 in Data Analytics by Goose
 • 140 points • 19,975 views
+1 vote
2 answers

How to segment documents into phrases in text mining using R?

You can do this in R using ...READ MORE

Nov 15, 2018 in Data Analytics by sandeep
 • 260 points • 1,357 views
0 votes
2 answers

what are the different ways of getting/reading data into for cleaning

Most used functions for reading or extracting ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,030 points • 687 views
+1 vote
2 answers

What are the steps in data analysis process?

Well explained @Maverick, In simple words the ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,030 points • 2,820 views
+1 vote
2 answers

Import csv excel file in R

Hi. Check out your filename and the ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,030 points • 1,547 views
+1 vote
2 answers

Stacked barchart - R programming with ggplot2

Use position = stack inside geom_bar() ggplot(mydata, aes(x = ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,030 points • 824 views
+3 votes
2 answers

Error: could not find function - R Programming

Yes, Just like @Maverik said, It happens ...READ MORE

Aug 23, 2019 in Data Analytics by anonymous
 • 33,030 points • 33,450 views
0 votes
2 answers

What are the skills required for data science?

Data Science is a platform for analyzing ...READ MORE

Apr 4, 2019 in Data Analytics by MrBoot
 • 1,190 points • 1,317 views
0 votes
2 answers

When scoring a logistic regression model , is having the predicted variable in test dataset mandatory ?

Answer to your follow up question: We can ...READ MORE

Oct 17, 2018 in Data Analytics by Anmol
 • 1,780 points • 1,254 views
0 votes
2 answers

How can you find total number of null values in a dataset column wise?

data['Column Name'].isnull().sum() READ MORE

May 7, 2020 in Data Analytics by anonymous
 • 2,467 views
+1 vote
2 answers

How can I find number of rows in a dataframe, and how to find the number of rows that dont have null values

Use nrow() to find number of rows ...READ MORE

Aug 14, 2019 in Data Analytics by anonymous
 • 1,429 views
0 votes
2 answers

What are the rules to define a variable name in R programming language?

The same rules almost follow for all ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,030 points • 14,931 views
0 votes
2 answers

What is nominal data and how to deal with it?

Nominal Data: Nominal values represent discrete units and ...READ MORE

Sep 4, 2018 in Data Analytics by shams
 • 3,670 points • 1,607 views
+1 vote
2 answers

What is an RDBMS? Name some examples for RDBMS? What is CRUD?

RDBMS: Relational Database Management System A relational database ...READ MORE

Aug 29, 2018 in Data Analytics by zombie
 • 3,790 points • 27,781 views
0 votes
2 answers

How do you build a custom function in Python?

Function arguments in Python In Python, Custom functions ...READ MORE

Sep 4, 2018 in Data Analytics by shams
 • 3,670 points • 1,266 views
+1 vote
2 answers

avoid producing a eps-graphic with 2 pages by mixing traditional and grid graphics

The bv_set() is missing from your code hence ...READ MORE

Aug 28, 2018 in Data Analytics by Anmol
 • 1,780 points • 860 views
0 votes
2 answers

What are the differences between overfitting and underfitting?

Overfitting is a modeling error which occurs when ...READ MORE

Aug 8, 2019 in Data Analytics by anonymous
 • 34,467 views
+1 vote
2 answers

How can I get experience in Data Science as a fresher?

Work on projects of your own. It’s tough, ...READ MORE

Aug 9, 2018 in Data Analytics by Abhi
 • 3,720 points • 771 views
0 votes
2 answers

What will be first step to be a data scientist?

Your first steps towards becoming a top ...READ MORE

Aug 9, 2018 in Data Analytics by zombie
 • 3,790 points • 890 views
0 votes
2 answers

Significance of P-value in statistical data

Refer the following points explaining the significance ...READ MORE

Aug 10, 2018 in Data Analytics by Atul
 • 180 points • 1,306 views
0 votes
2 answers

Sorting algorithms available in R

R basically supports two different types of ...READ MORE

Aug 17, 2018 in Data Analytics by zombie
 • 3,790 points • 4,482 views
+1 vote
2 answers

What is the difference between LDA and PCA for dimensionality reduction?

Principal Component Analysis (PCA) is an unsupervised ...READ MORE

Mar 7, 2019 in Data Analytics by Seema
 • 140 points • 14,599 views
0 votes
2 answers

Why should anyone learn Python instead of R for machine learning?

Machine learning is the latest technology everyone ...READ MORE

Apr 13, 2019 in Data Analytics by SA
 • 1,090 points • 930 views
+1 vote
2 answers

What is the difference between correlation and covariance?

Correlation and Co-variance both are used as ...READ MORE

Jul 24, 2018 in Data Analytics by Abhi
 • 3,720 points • 3,991 views
+1 vote
2 answers

Different data structures in R

The different data types in R are ...READ MORE

Aug 26, 2019 in Data Analytics by anonymous
 • 33,030 points • 1,458 views
0 votes
2 answers

How does data cleaning play a vital role in data analysis

Data is the core you do your ...READ MORE

Jul 24, 2018 in Data Analytics by Abhi
 • 3,720 points • 5,249 views
+2 votes
2 answers

How to handle outliers

There are multiple ways to handle outliers ...READ MORE

Jul 24, 2018 in Data Analytics by Abhi
 • 3,720 points • 867 views
0 votes
2 answers

Recommender Systems

hello, i have one project which is based ...READ MORE

Mar 30, 2019 in Data Analytics by JAY SHAH
 • 1,380 views
0 votes
2 answers

PCA model in R

Principal component analysis (PCA) is routinely employed on ...READ MORE

Jul 19, 2018 in Data Analytics by zombie
 • 3,790 points • 1,115 views
0 votes
2 answers

Apply function in R

apply Description: “Returns a vector or array or ...READ MORE

Jul 10, 2018 in Data Analytics by zombie
 • 3,790 points • 986 views
0 votes
2 answers

Clustering in R

Clustering is a type of unsupervised learning ...READ MORE

Jul 9, 2018 in Data Analytics by zombie
 • 3,790 points • 871 views
+1 vote
2 answers

How to replace a value in a data frame based on a conditional 'If' statement?

It's easier to convert alpha to characters ...READ MORE

Jun 6, 2018 in Data Analytics by Sahiti
 • 6,370 points • 36,546 views
0 votes
2 answers

Replacing a row in pandas data.frame

key error. I love python READ MORE

Feb 18, 2019 in Data Analytics by anonymous
 • 13,494 views
+1 vote
2 answers

Locating row index of a column which has the maximum value - R

Hi, Nirvana You can also try this. which(iris$Sepal.Length == ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,030 points • 12,949 views
0 votes
2 answers

Vector vs List in R

Well, you are right in  saying that ...READ MORE

May 8, 2018 in Data Analytics by anonymous
 • 988 views
+1 vote
2 answers

Splitting the data into training and testing sets - R

Hi, Try like this. train = sample(x = ...READ MORE

Aug 21, 2019 in Data Analytics by anonymous
 • 33,030 points • 6,027 views
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