- Видео 19
- Просмотров 122 303
R Programming
Индия
Добавлен 4 мар 2020
Aggregate() in R | How to evaluate the dataset in Groups in R? | How to compute subsets in R?
Aggregate function splits data into subsets, computes summary statistics for each subsets and returns the result in a group by form.
Просмотров: 1 545
Видео
Apply Functions in R | lapply() | sapply() | mapply() | tapply() in R | Iteration without loops in R
Просмотров 17 тыс.4 года назад
Apply Family of functions is in-built functionality of R and is an easy way to avoid loops and reduces computation time. The video summarizes : - apply() in R: Apply a function over the margins of an array -lapply() in R: Loop over a list and evaluate a function on each element -sapply in R: same as lapply but try to simplify the result -mapply in R: Iteration over multiple lists -tapply in R: ...
Janitor in R | Data Cleaning | Tabulation and Reporting in R| Format Column Names| Get Duplicates
Просмотров 5 тыс.4 года назад
Janitor package in R is used for examining and cleaning dirty data. Its main functions are: - it can format ugly data frame column names; - isolate duplicate records; and - provide quick tabulations (i.e., frequency tables and crosstabs, percentages). -format these tabulation results Source: github.com/sfirke/janitor Function covered in this video: clean_names() tabyl() adorn_pct_formatting() a...
DATATABLES in R | DT package in R | HTML Widget in R | Interactive Table in R
Просмотров 6 тыс.4 года назад
Datatable function allows users to have Tabular interactive display of data. It is easy to filter, search, sort and export the data using the DT package. DataTables displays R matrices or data frames as interactive HTML tables that support filtering, pagination, and sorting. Source: rstudio.github.io/DT/ DAFF _ example of DT package ruclips.net/video/bKYUHFYAjtc/видео.html
Functions in R | Scoping Rules | If-Else Statement | Switch | Loops in R | Run checks on vectors
Просмотров 1,2 тыс.4 года назад
Functions in R, Return a value from a function, Scoping Rules in R, If-Else statements to control program flow, Switch to check multiple statements in R, Run checks on entire vectors using ifelse, For Loop | While Loop| Control Loops in R - Break-Next. Are loops required
Find the difference between two datasets in R | daff package| Visualize the comparison
Просмотров 8 тыс.4 года назад
Visualize the comparison between two data frames in R. Github link github.com/edwindj/daff
How to merge Data in R | cbind, rbind, merge, join in R
Просмотров 26 тыс.4 года назад
How to merge datasets in R cbind for column-wise merge rbind for row-wise merge merge for dataframes, tibbles, matrices left-join, right-join, inner-join,full-join,anti-join,semi-join Other videos reference Tidyr package ruclips.net/video/HhZTtbWtYvM/видео.html Stringr ruclips.net/video/PcUJXrN-C_E/видео.html PIPE operator ruclips.net/video/z1xZ8hxEWz4/видео.html
String manipulation in R using STRINGR package and Regular Expressions in R
Просмотров 11 тыс.4 года назад
We can manipulate character strings using the stringr package. Stringr package provides series of consistent functions for working with character data. str_length, str_c, str_replace, word, str_sub, str_extract, str_subset, str_view, str_locate, str_split, str_to_lower, str_to_upper, str_to_title
Tidyr package - Gather, Separate and Spread function | Restructuring data columns and rows in R
Просмотров 7 тыс.4 года назад
How to convert messy data into tidy data? Restructuring of data using tidyr. How to convert specific columns into rows? How to convert rows into columns? How to split columns into 2 or many? filter function link ruclips.net/video/o_7X_pCTeZk/видео.html select function link ruclips.net/video/2ROzqn1fz8c/видео.html arrange function link ruclips.net/video/Pwc0X6c1824/видео.html mutate and rename l...
Data Manipulation in R using pipe operator | magrittr | "then" operator - 1(f)
Просмотров 2,8 тыс.4 года назад
dplyr package introduced the “pipe” or “then” operator which allows us to pass data more easily between functions. #pipes in R The prerequisite of this video is that you understand other important functions from dplyr package. filter function link ruclips.net/video/o_7X_pCTeZk/видео.html select function link ruclips.net/video/2ROzqn1fz8c/видео.html arrange function link ruclips.net/video/Pwc0X6...
Data Manipulation in R using dplyr summarise and group_by function - 1 (e)
Просмотров 2,4 тыс.4 года назад
- Grouped summaries - where group data is processed using summarise function - Summarise function helps to evaluate various statistics - Group_by function helps to create grouped data objects for further manipulation and processing "group_by in R" and "summarise in R" are important for data manipulation dplyr package provides a general framework for the manipulation of data frames in R filter f...
Data manipulation in R using dplyr : mutate and rename function - 1(d)
Просмотров 2,9 тыс.4 года назад
dplyr package provides a general framework for the manipulation of dataframes in R. mutate() function create new variables rename() function renames column name filter function link: ruclips.net/video/o_7X_pCTeZk/видео.html select function link: ruclips.net/video/2ROzqn1fz8c/видео.html arrange function link: ruclips.net/video/Pwc0X6c1824/видео.html
Data Manipulation in R using dplyr arrange function - 1(c) | arrange in R
Просмотров 2,3 тыс.4 года назад
arrange in ascending or descending order | sort in R dplyr package provides a general framework for the manipulation of data frames in R. arrange() function reorder the rows in ascending or descending order filter function: ruclips.net/video/o_7X_pCTeZk/видео.html select function: ruclips.net/video/2ROzqn1fz8c/видео.html
Data manipulation in R using dplyr select function - 1(b) | select in R
Просмотров 3,4 тыс.4 года назад
dplyr package provides a general framework for the manipulation of data frames in R. Select function helps in selecting columns that match specific criteria. Also, refer to filter function: ruclips.net/video/o_7X_pCTeZk/видео.html
Data Manipulation in R using dplyr filter function - 1(a) | filter in R
Просмотров 8 тыс.4 года назад
filter() in R dplyr package provides a general framework for the manipulation of data frames in R. filter function is used for selecting rows that match specific criteria. dplyr package has a standard format: the first argument is a dataframe and the remaining arguments describe what to do to the dataframe.
How to Install one or multiple packages in R | How to uninstall one or multiple packages in R
Просмотров 9344 года назад
How to Install one or multiple packages in R | How to uninstall one or multiple packages in R
Introduction to RStudio | R Studio functionalities
Просмотров 1734 года назад
Introduction to RStudio | R Studio functionalities
How to learn R without installing R/Rstudio | Introduction to R Studio Cloud
Просмотров 9854 года назад
How to learn R without installing R/Rstudio | Introduction to R Studio Cloud
How to install R and Rstudio for 32-bit and 64-bit Operating system
Просмотров 15 тыс.4 года назад
How to install R and Rstudio for 32-bit and 64-bit Operating system
Very nice,it is helpful for beginner
Very educative videos. Highly appreciated
such a helpful video thanks
Thank for your help teacher. You've made me my degree process easier
Thank you for the explanation...
any can help me when filter the data of head of iris and sepal length > 30 all the data row and columns they become NA,NA, NA how can I solve this problem thanks you
Thankyou so much
How to retain a row in my data using the filter () function?
Very interesting. Thanks.
I have given the 300 like. You deserve. more
Very helpful ❤
at timestamp 15:15 no need to use both function and mapply it can be simply done by functio a<-c(p=10,q=20,r=30) b<-c(u=2,v=3,w=4) z<-function(x,y){ m<-(x+y)*2 print(m) } z(a,b) although still you are the best on yt in terms of learning r
Hi! I’m enjoying your content. What is your first name? My name is Dave. I need to gain some confidence with R. It’s so big, I get overwhelmed with anxiety. I guess it’s practice. I used to code in Excel VBA but I have switched to R and it is like starting again you know? Anyway I’m liking your videos, keep up the good work! Dave
√ery much thank you mam , u taught us in a very leyman lang.
This helped me a lot. Thank you.
How did you set team 1 as x and team 2 as y please clearify
Thank you ❤️
Thank you ❤️
very well thought out
Very clear and fast review. Tell you a warm thanks!!
very nicely explained thank you
Best video
Thank u for this How can i use regex quantifiers in str_glue, whenever i add it {1,2} it throughs an error
great and simple way of explanation
What is R package?? What are its uses?? Can you make a video regarding R packages? This video is helpful for beginners. I have just started to learn R programming,but I don't know what codes are used for R programming and how.
thank you so much :))
Very nice Video
Awesome. Thanks for the video, I didn't know janitor package. Definitively i'll use it
Great thanks for clear explaining!
thank you very much!
Thank you so much!!
What if list contains a numeric vector and a string value and the operation performed is Sum in Sapply ?
Hi can we change the button position to bottom of table and how
Very clear explanation. Thank you.
Thank so much
This is very good, I was first confused with the concepts before i watched you video... Thanks for this video.
what a great explanation ma'am thank you
crisp and clear..
very clear and detailed tutorial, appreciate the quality content and subbed
Very clear and fast review. Tell you a warm thanks!! If needed to go deeper we can see "join" in "pipes"
Thanks a lot for this video.
Thank you so much mam it's help me a lot
Thank u for this Is there a way to automatically split tables based on size of boxes in a presentation? I am using officer package with customised layout
I watched like 8 videos and was confused, thank you for using this example.
I was reading R for Data Science and I could not understand the section dealing with Stringr. This short video is worth more than all those hours I spent read. Simple. Concise. Thank you very much!
How to do conditional formatting in DT ?
Great. Very easy to understand and helpful. Thank you so much.
How do I merge the column header name in one file with the header name in another file?
Mam I will also cooperate you as per your recommendation in return
Please mam