Friday, May 14, 2021

Backup


 

In this article, the author examined the main types of backup operations, and the most common mistakes that many of us may make while backing up our data. Read more ...

Monday, February 15, 2021

Learning R & R Studio


 

Installing R & R Studio

https://www.lynda.com/RStudio-tutorials/RStudio-install/452087/490022-4.html?org=qc.cuny.edu

 Online Learning R Studio

https://www.rstudio.com/online-learning/#R 

Read a csv file and save it in a new data frame:
newdataframe <- read.csv("datafile.csv")

Add a new column to an existing data frame:
https://lembra.wordpress.com/2010/03/12/adding-new-column-to-a-data-frame-in-r/

https://discuss.analyticsvidhya.com/t/how-to-add-a-column-to-a-data-frame-in-r/3278

Add a new column to a data frame:

Add a sequential number to a colum:
data$ID <- seq.int(nrow(data))

 

Definition of Data frame: http://www.r-tutor.com/r-introduction/data-frame

 

Monday, January 25, 2021

Friday, January 1, 2021

Thursday, September 17, 2020

How to change the default Mac app for specific file types

 

How to change the default Mac app for specific file types
  1. Right-click on a file that uses the file type you'd like to change the default for. ...
  2. Click on Get Info in the pop-up.
  3. Click Open With if the section isn't already expanded. ...
  4. Click the dropdown menu.
  5. Click the app you want to use. ...
  6. Click Change All...

Thursday, May 14, 2020

Setting up a rule to manage your inbox

In Outlook,when we receive many emails into our inbox, we can set up rules such that the incoming emails can be sorted into different folders for easy handling. If you click on the email, and click on more actions: ... to the right of Forward option, then select Create Rule..., you will be given the option of name your rule (if no name is given, the system will automatically assign a name, you can specify "When the message arrives, and:
it was received from
it was sent to
it includes these words in the subject

Do the following
....move the message to folder ... select one

and additional choices for action.

Then click on Save. Now yourincoming email will be sorted into respective folders accordingly.

Use Zoom to Share Powerpoint with Notes