Course Content

What is R?

7m 47s

How to use LearnVern

3m 20s

How is R environment?

9m 13s

What are objects in R?

3m 16s

How to handle objects in R?

8m 6s

What are data types in R?

6m 21s

How to handle vectors in R?

8m 25s

How to handle lists in R?

6m 40s

How to handle matrices in R?

7m 10s

How to handle factors in R?

4m 14s

How to handle data frames in R?

8m 42s

Objects and Datatypes Quiz

10m

How to handle strings in R?

3m 32s

Demo of handling string in R

4m 18s

What are some basic string manipulations?

1m 56s

Demo of string manipulations in R

5m 35s

How can 2 set of string vectors be manipulated?

1m 28s

Demo for set operations

6m 56s

How to handle strings in R using string package?

3m 39s

String handling using stringr package

15m 53s

Handling strings Quiz

5m

What are control structures?

5m 45s

How is if-else loop used in R?

15m 29s

How is for Loop used in R?

9m 5s

How is while Loop used in R?

6m 35s

How are functions used in R?

7m 21s

Assignment

1m 45s

What is apply function in apply familly?

2m 35s

Demo for apply function in apply familly

5m 9s

What are sapply and lapply functions in apply familly?

2m 56s

Demo for sapply and lapply function in apply familly

5m 35s

What is tapply function in apply familly?

2m 58s

Demo for tapply function in apply familly

4m 20s

Assignment

2m 58s

What is ggplot in visualization?

4m 3s

Demo for using ggplot

14m 47s

How do you plot histogram using ggplot?

10m 25s

How to do scaling in ggplot?

4m 52s

How to set themes in ggplot?

7m 52s

Assignment

2m 38s

Assignment

2m 48s

How is POSIXct function used?

R Programming Course Handling dates in R

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Course Content

What is R?

7m 47s

How to use LearnVern

3m 20s

How is R environment?

9m 13s

What are objects in R?

3m 16s

How to handle objects in R?

8m 6s

What are data types in R?

6m 21s

How to handle vectors in R?

8m 25s

How to handle lists in R?

6m 40s

How to handle matrices in R?

7m 10s

How to handle factors in R?

4m 14s

How to handle data frames in R?

8m 42s

How to handle strings in R?

3m 32s

Demo of handling string in R

4m 18s

What are some basic string manipulations?

1m 56s

Demo of string manipulations in R

5m 35s

How can 2 set of string vectors be manipulated?

1m 28s

Demo for set operations

6m 56s

How to handle strings in R using string package?

3m 39s

String handling using stringr package

15m 53s

What are control structures?

5m 45s

How is if-else loop used in R?

15m 29s

How is for Loop used in R?

9m 5s

How is while Loop used in R?

6m 35s

How are functions used in R?

7m 21s

Assignment

1m 45s

What is apply function in apply familly?

2m 35s

Demo for apply function in apply familly

5m 9s

What are sapply and lapply functions in apply familly?

2m 56s

Demo for sapply and lapply function in apply familly

5m 35s

What is tapply function in apply familly?

2m 58s

Demo for tapply function in apply familly

4m 20s

Assignment

2m 58s

What is ggplot in visualization?

4m 3s

Demo for using ggplot

14m 47s

How do you plot histogram using ggplot?

10m 25s

How to do scaling in ggplot?

4m 52s

How to set themes in ggplot?

7m 52s

Assignment

2m 38s

Assignment

2m 48s

FAQs

POSIXct keeps track of both the date and the time, as well as the time zone. The time zone that your computer is configured to is the default time zone, which is usually your local time zone. POSIXct keeps track of the date and time in seconds, starting on January 1, 1970.

Use the as. POSIXct() function to convert Date to Numeric format in R, and then use the as. numeric() function to convert it to a numeric value.

The POSIXct function is used when data needs to be converted from a timestamp that is in one timezone, to a timestamp in another timezone. This is usually done when data needs to be analyzed or processed by a computer, which doesn't know the time zone of the data.

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