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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1Overview of R and RStudio
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2Installing R and RStudio on Linux
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3Installing R and RStudio on Windows
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4Introduction to basics of R
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5Introduction to Data Frames in R
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6Introduction to RStudio
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7Introduction to R script
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8Working directories in RStudio
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9Indexing and Slicing Data Frames
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10Creating Matrices using Data Frames
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11Operations on Matrices and Data Frames
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12Merging and Importing Data
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13Data types and Factors
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Lists and its Operations
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15Plotting Histograms and Pie Chart
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16Plotting Bar Charts and Scatter Plot
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17Introduction to ggplot2
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18Aesthetic Mapping in ggplot2
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19Data Manipulation using dplyr Package
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20More Functions in dplyr Package
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21Pipe Operator
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22Conditional Statements
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23Functions 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