R Programming
R Programming
  • Видео 19
  • Просмотров 122 303

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

Комментарии

  • @梦宇王-z8d
    @梦宇王-z8d 2 месяца назад

    Very nice,it is helpful for beginner

  • @seidumohammed7717
    @seidumohammed7717 2 месяца назад

    Very educative videos. Highly appreciated

  • @ahmedkaleem9729
    @ahmedkaleem9729 3 месяца назад

    such a helpful video thanks

  • @ChristianGarcia-ol3rp
    @ChristianGarcia-ol3rp 4 месяца назад

    Thank for your help teacher. You've made me my degree process easier

  • @silvestrecamposano6317
    @silvestrecamposano6317 6 месяцев назад

    Thank you for the explanation...

  • @YahyeSulieman
    @YahyeSulieman 7 месяцев назад

    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

  • @mitalimore248
    @mitalimore248 8 месяцев назад

    Thankyou so much

  • @АлинаЭлназаров
    @АлинаЭлназаров 9 месяцев назад

    How to retain a row in my data using the filter () function?

  • @fernandocesarferreira7878
    @fernandocesarferreira7878 10 месяцев назад

    Very interesting. Thanks.

  • @francoiskabre5035
    @francoiskabre5035 11 месяцев назад

    I have given the 300 like. You deserve. more

  • @ajaykushwaha-je6mw
    @ajaykushwaha-je6mw Год назад

    Very helpful ❤

  • @letztalkufc
    @letztalkufc Год назад

    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

  • @davegoodo3603
    @davegoodo3603 Год назад

    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

  • @imanshul_
    @imanshul_ Год назад

    √ery much thank you mam , u taught us in a very leyman lang.

  • @robustuscaustico
    @robustuscaustico Год назад

    This helped me a lot. Thank you.

  • @Funway20
    @Funway20 Год назад

    How did you set team 1 as x and team 2 as y please clearify

  • @Belle_02_.h
    @Belle_02_.h Год назад

    Thank you ❤️

  • @Belle_02_.h
    @Belle_02_.h Год назад

    Thank you ❤️

  • @russelllavery2281
    @russelllavery2281 Год назад

    very well thought out

  • @duyanhao9438
    @duyanhao9438 2 года назад

    Very clear and fast review. Tell you a warm thanks!!

  • @wardalafef5705
    @wardalafef5705 2 года назад

    very nicely explained thank you

  • @kejoramazing7708
    @kejoramazing7708 2 года назад

    Best video

  • @ahmed007Jaber
    @ahmed007Jaber 2 года назад

    Thank u for this How can i use regex quantifiers in str_glue, whenever i add it {1,2} it throughs an error

  • @himanshukeshtwal4658
    @himanshukeshtwal4658 2 года назад

    great and simple way of explanation

  • @Anokha-rohan
    @Anokha-rohan 2 года назад

    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.

  • @dilaraesmer
    @dilaraesmer 2 года назад

    thank you so much :))

  • @hrishikeshmarne3018
    @hrishikeshmarne3018 2 года назад

    Very nice Video

  • @luisacuna1729
    @luisacuna1729 2 года назад

    Awesome. Thanks for the video, I didn't know janitor package. Definitively i'll use it

  • @LIMEETED
    @LIMEETED 2 года назад

    Great thanks for clear explaining!

  • @larissacury7714
    @larissacury7714 2 года назад

    thank you very much!

  • @larissacury7714
    @larissacury7714 2 года назад

    Thank you so much!!

  • @viswanathbodapati5711
    @viswanathbodapati5711 2 года назад

    What if list contains a numeric vector and a string value and the operation performed is Sum in Sapply ?

  • @mohitpande2006
    @mohitpande2006 2 года назад

    Hi can we change the button position to bottom of table and how

  • @timmytesla9655
    @timmytesla9655 2 года назад

    Very clear explanation. Thank you.

  • @nilakshisute623
    @nilakshisute623 2 года назад

    Thank so much

  • @waltof2504
    @waltof2504 2 года назад

    This is very good, I was first confused with the concepts before i watched you video... Thanks for this video.

  • @aryantnigam2246
    @aryantnigam2246 2 года назад

    what a great explanation ma'am thank you

  • @rajendrakc5969
    @rajendrakc5969 2 года назад

    crisp and clear..

  • @chooliangyi9819
    @chooliangyi9819 2 года назад

    very clear and detailed tutorial, appreciate the quality content and subbed

  • @maelelegoet3420
    @maelelegoet3420 2 года назад

    Very clear and fast review. Tell you a warm thanks!! If needed to go deeper we can see "join" in "pipes"

  • @chaitanyatuckley4666
    @chaitanyatuckley4666 3 года назад

    Thanks a lot for this video.

  • @sudiptacoachingcentre4118
    @sudiptacoachingcentre4118 3 года назад

    Thank you so much mam it's help me a lot

  • @ahmed007Jaber
    @ahmed007Jaber 3 года назад

    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

  • @bhargavapothakamuri4218
    @bhargavapothakamuri4218 3 года назад

    I watched like 8 videos and was confused, thank you for using this example.

  • @ikengitau
    @ikengitau 3 года назад

    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!

  • @UdaiKs
    @UdaiKs 3 года назад

    How to do conditional formatting in DT ?

  • @longphung7665
    @longphung7665 3 года назад

    Great. Very easy to understand and helpful. Thank you so much.

  • @irinastlouis6168
    @irinastlouis6168 3 года назад

    How do I merge the column header name in one file with the header name in another file?

  • @awanishkumar6308
    @awanishkumar6308 3 года назад

    Mam I will also cooperate you as per your recommendation in return

  • @awanishkumar6308
    @awanishkumar6308 3 года назад

    Please mam