Lists and its Operations - English
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R
Respected sir and mam,I have enrolled in the course "R" and I would like to get a certificate for the same. Please reply to this as soon as possible.my email id is thakkartaniya08@gmail.comI would be waiting to hear from you.sincerely,Taniya
00-01M 20-30SMay 15, 2025, 12:48 p.m. sthakkartaniya
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indexing
single square and double square bracket comes under indexing method only?
06-07M 30-40SMay 15, 2025, 3:20 a.m. kinshuk02
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assignment
my vector 1:5 is not coming in my list instead it is displaying the output given below$vectorfunction (mode = "logical", length = 0L) .Internal(vector(mode, length))<bytecode: 0x00000187989fbd50><environment: namespace:base>
09-10M 50-60SMay 13, 2025, 5:25 p.m. kinshuk02
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Not able to create list
I am getting the following error on running the list command .myList <- list(captaincy,matrixA,myVector)Error: object 'matrixA' not found> names(myList) <- c("dataframe","matrix","vector")Error in names(myList) <- c("dataframe", "matrix", "vector") : object 'myList' not found> print(myList)Error in print(myList) : object 'myList' not found
04-05M 50-60SMay 12, 2025, 7:56 a.m. Joohi
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dataset
where is iris dataset
00-01M 0-10SMay 15, 2025, 3:48 p.m. bsankari2007@rediffmail.com
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list merge operation
merged.list <- merge(mylist, listSimple) is not workingerror:Error in print(merged.list) : object 'merged.list' not found
06-07M 0-10SMay 13, 2025, 2:44 a.m. archana.naware@gmail.com
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list merge operation
merged.list <- merge(mylist, listSimple) is not workingerror:Error in print(merged.list) : object 'merged.list' not found
06-07M 0-10SMay 15, 2025, 10:58 a.m. archana.naware@gmail.com
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list
at time 5:34can we say list " myList" is collection of different types of objects captaincy, matrixA and myvector
05-06M 30-40SMay 13, 2025, 9:47 a.m. archana.naware@gmail.com
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List and arrays
How to discard alternate numbers from an array and resize the length of an array using R?
02-03M 20-30SMay 12, 2025, 8:09 p.m. gthaldankar
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1
Overview of R and RStudio -
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Installing R and RStudio on Linux -
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Installing R and RStudio on Windows -
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Introduction to basics of R -
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Introduction to Data Frames in R -
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Introduction to RStudio -
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Introduction to R script -
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Working directories in RStudio -
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Indexing and Slicing Data Frames -
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Creating Matrices using Data Frames -
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Operations on Matrices and Data Frames -
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Merging and Importing Data -
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Data types and Factors -
Lists and its Operations -
15
Plotting Histograms and Pie Chart -
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Plotting Bar Charts and Scatter Plot -
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Introduction to ggplot2 -
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Aesthetic Mapping in ggplot2 -
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Data Manipulation using dplyr Package -
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More Functions in dplyr Package -
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Pipe Operator -
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Conditional Statements -
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Functions in R
Questions posted on ST Forums:
Outline:
Lists in R Atomic vectors in R Difference between atomic vectors and lists in R How to create a list How to assign names to the elements of a list Named list in R How to access elements of a list by its index How to access an element of a list by its name How to access an element of an element of a list Combine two different lists