Running Basic Statistical Analysis in R

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LiquidBrain Bioinformatics

LiquidBrain Bioinformatics

Күн бұрын

R is one of the most popular tools for statistical analysis, it is also one of the few open source tools available in the market. Unlike other tools like SPSS, R uses a command line interface and could be scary for people new to the platform. However, running test in R is actually surprisingly easy and most basic analysis can be completed with a single function. In this video, I will try to run through the basic and please do let me know if you having some issues on your side.
Link to Self Checking Questions
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Link to google slide: bit.ly/Brandon_Yeo
VIdeo on basic plotting: • Video
Video on ggplot2 - • How to use ggplot2 in ...
Video on gganimate - • How to use gganimate i...
Video on Data Studio - • Video
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Пікірлер: 37
@arkanshsharma850
@arkanshsharma850 5 ай бұрын
Single best video which teaches r and statistics the best way possible
@lindajonnes4516
@lindajonnes4516 3 жыл бұрын
One of the best R-tutorials so far
@SoyKhalid
@SoyKhalid 2 жыл бұрын
Mr LB, your efforts in explaining aspects of R, and in presenting the material to that end, are heaven sent! Thank you so very much!
@motivationaldiary1544
@motivationaldiary1544 2 жыл бұрын
Mr LB, l would like to say thank you, l love how you just made R so easy for me to navigate around... Deeply appreciate the presentation you did
@muskansyed2037
@muskansyed2037 Жыл бұрын
What a wonderful session and to practice these codes side by side made my concepts even clearer especially enjoyed the pheatmap part ! Please keep up the amazing work Mr LB
@veenalasrado6364
@veenalasrado6364 2 жыл бұрын
Absolutely brilliant, clear, concise, and articulate...Thank you so much
@nonoobott8602
@nonoobott8602 2 жыл бұрын
This is very concise and explicit. Thanks for sharing
@louisecapener4177
@louisecapener4177 2 жыл бұрын
These videos are brilliant, thank you!
@OFWCREATOR
@OFWCREATOR 2 жыл бұрын
You're the best, you made it simple and sweet.
@Alfigordon
@Alfigordon Жыл бұрын
You made this very simple. Thank you so much.
@christine_ko
@christine_ko Жыл бұрын
Many thanks sir! Thank you for creating the informative and engaging video👍
@theforester_
@theforester_ 2 жыл бұрын
really nice tutorial man! big shout out from brazil
@laureakpodji6833
@laureakpodji6833 Жыл бұрын
Thank you so much, for this video, which reconciles me with R🤩
@uttambarua2951
@uttambarua2951 Жыл бұрын
Excellent presentation and thank you so much.
@miransh
@miransh 2 жыл бұрын
Hey thanks very much for this learning, this video is very important to me and very valuable because there are no other videos on KZfaq like this. The reason I am saying is that I searched and searched for a week and could not find any videos that explains the practicality and usage of R. Everyone talks about theory as to how to get mean etc how to get median but nobody talks how to interpret these results what does SD of 1.5 mean to you that’s something people don’t talk about thanks very much again for this video and look forward to many more practical videos that will tell you how to get data from the web for example stock market and/or how to do stock analysis on your own using R this would be a very interesting topic if you can I would really appreciate it
@saniousmane7047
@saniousmane7047 7 ай бұрын
Thank you a lot for this excellent presentation and teaching.
@annakimberly3219
@annakimberly3219 2 жыл бұрын
THANKS!!!
@HCsailingon
@HCsailingon 2 жыл бұрын
Good stuff
@Seto-nw2gn
@Seto-nw2gn 2 ай бұрын
Nice work
@jung-eungil7148
@jung-eungil7148 2 жыл бұрын
Thank you for this informative video so much. Your videos are always helpful to me. I have a question about PCA. If my PC1 is around 39%, PC2 is 23%, and PC1~PC4 cover over 80% of RNA seq data, should I use PC1 and PC2 for the PCA plot?
@LiquidBrain
@LiquidBrain 2 жыл бұрын
It really depends on your tolerance to the coverage, you can try to run a scree plot to check the coverage and decide based on the elbow of the scree plot. You can also check this video on how to create a plot in 3D to allow you to check 3 dimension at the same time . For non linear relationship in the data, you might also want to try MDS, TSNE and UMAP~~~ 3d plot(kzfaq.info/get/bejne/itKIhs-HmbTLZGQ.html)
@GOGU1818
@GOGU1818 3 жыл бұрын
Thanks dear for this informative video. I'm basic learner who want to do pca, correlation, and regression model with my ecological data set R. Can you help me?
@LiquidBrain
@LiquidBrain 3 жыл бұрын
Feel free to sent me a mail at liquidbrain.r@gmail.com
@fotensolution6504
@fotensolution6504 Ай бұрын
Hello, could you please help me, I used this code to fit the trendline of my data, but the line did not show "> abline(lm(Rawdata$Elevation~Rawdata$Bulk, data=Rawdata))". What could be the possible problem? Your video has been helpful as I am a new user of R. I have successfully implemented your tips until this point. Thanks
@Ratseeker
@Ratseeker 2 жыл бұрын
Where did the inputted data come from (iris)? How should I save my physical lab notebook data? Where did you type in the data to use in R? An excel sheet? A text file? Do you have all your original data from an excel sheet, type it into R all over again without a typo, and then save that data to use later?
@LiquidBrain
@LiquidBrain 2 жыл бұрын
Iris is actually build into the Rstudio envionment, you can just type in and it should work
@AchiragChiragg
@AchiragChiragg 6 ай бұрын
8:54 there's a mistake in that Formula, it should be lm(y~x) not lm(x~y)
@user-jd5bk3nz5v
@user-jd5bk3nz5v Жыл бұрын
hello,could you please tell me how to do autoencoder anaysis for raster in rstudio?
@louisirving588
@louisirving588 7 ай бұрын
"Student" was the pseudonym of William Gosset, who invented the t-test.
@miransh
@miransh 2 жыл бұрын
Would you please share a link about how to deal with non parametric or skewed data and outliers? Thanks
@LiquidBrain
@LiquidBrain 2 жыл бұрын
I don't think there's a standard way to deal with skewness ot outliers without understand the nature of the data. Some required moving the outlier, some required transformation/normalization. One of the example I have talked about is the use of negative binomial model.in the. Gene expression in the Deseq2 program (you can check it out here kzfaq.info/get/bejne/orCnaa6mxNC1m4E.html)
@brendaferes6028
@brendaferes6028 Жыл бұрын
how do I add my own data into R ?? I'm very new in this field pls help me :)
@oacho3
@oacho3 9 ай бұрын
Hi LB, I am curious to hear your professional opinion about how to fit a model that I find to be challenging. I have measurements of oxygen consumption taken at 4 different temperatures for 520 eggs belonging to 80 species of insects. The goal of my model is to look at how a series of predictors like location, mortality ecc. influence the slopes of the lines that describe the change in oxygen consumption across the 4 measurement temperatures. Oxygen consumption intuitively increases with egg mass, measurement temperature and age of the egg. What I do not understand is how to make these slopes the dependent variables. If I first make a model like oxygen~egg mass+age+measurement temperature and then I use the slopes for each species as dependent variable in a model like slopes~site+mortality+ambient temperature is that correct? Or is that discourage because I am doing statistics on statistics? Conversely, if I build only one model like oxygen~egg mass+age+measurement temperature+site+mortality+ambient temperature is this model actually looking at slopes? Sorry for the long question but I find it hard to get a reasonable answer by myself. Cheers
@louisirving588
@louisirving588 7 ай бұрын
Around the 10:40 mark, you talk about the difference between r2 and p-values, but I think you make some minor mistake. r2 value tells you what percentage of teh variation in y is explained by changes in x - i.e. how much of the variation is explained by the line. The p-value tells you whether the gradient of the line is significantly different from zero.
@louisirving588
@louisirving588 7 ай бұрын
This said, your explanations of R are awesome - thank you!
@DB-kv3wu
@DB-kv3wu Жыл бұрын
It is a very good lecture, but, the demonstration is too fast to understand for biggners.
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