Browse 123 R questions and answers from learners and industry experts. Find practical fixes, interview prep and step-by-step solutions - or ask your own.
Let us call the data frame mtcars head(mtcars) Now let us create an extra column called ‘performance’ using a function called mutate() from dplyr…
1 Answer · 1.3K Views · Answered ✓
The advantages of the R language are R is free to use and is an open-source language which can run on operating systems such as UNIX, Windows and…
1 Answer · 1.5K Views · Answered ✓
Some of the most commonly used tools in POS tagging are a) nltk b) Spacy c) TextBlob d) RNN and LSTM for neural network. Despite these tools, there…
1 Answer · 1.5K Views · Answered ✓
[ 7, 8] [12,13] Let us create a matrix of 5 by 5 consisting of numbers 1-25. mat2
1 Answer · 2.9K Views · Answered ✓
To apply lapply() to a function, we have to define a vector # vector v
1 Answer · 1.1K Views · Answered ✓
To iterate a loop over a matrix, we need to create a matrix first. Let us understand what a matrix is. A matrix is usually an array of numbers or a…
1 Answer · 1.5K Views · Answered ✓
tidyr() is a complimentary package in R used to create tidy datasets. Tidy data is when we have a data set where every row is an observation and…
1 Answer · 1.0K Views · Answered ✓
To import excel file we have to install a library called ‘readxl’ install.packages(“readxl”) library(readxl) Excel file can contain two formats Xls…
1 Answer · 1.5K Views · Answered ✓
SQL file can be read by connecting to a database and it completely depends on the type of database that we use. One such library is RODBC. To connect…
1 Answer · 826 Views · Answered ✓
Let us define two lists and merge it. A list can contain an array of elements of any data types be it integer, character or float. first_list =…
1 Answer · 1.0K Views · Answered ✓
For doing that, we can use the following function in R library("quanteda") textstat_entropy
1 Answer · 1.1K Views · Answered ✓
data(iris) model
1 Answer · 1.1K Views · Answered ✓
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