R Learning Set 2

In this section we will see different topics on R data handling. Lets get started

python basics tutorial

Get Last value of each group in R
Get First value of each group in R
Groupby Count in R
Groupby maximum in R
Groupby minimum in R
Groupby mean in R
Groupby sum in R
Sort the column of dataframe in R
String split of the column in R
Repeat the string of the column in R
String pad to the column in R
Add Space to the column in R
Set difference of dataframes in R
Get the List of column names of dataframe in R
Get the list of columns and its datatype in R
Rename the column in R
Replace the missing value of column in R
Replace the character column of dataframe in R
Convert to Title case in R dataframe column
Convert to lower case in R dataframe column
Convert to upper case in R dataframe column
Position of pattern matches in R dataframe column
Count the number of pattern matches in R dataframe column
Extract substring of the column in R dataframe
Get count of missing values of column in R dataframe
Convert column to categorical in R
Drop rows with missing values in R (Drop null values – NA,NaN)
Percentage of the column in R
Natural Log and Log of the column in R
Harmonic Mean in R (Harmonic mean of column in R)
Geometric Mean in R (Geometric mean of column in R)
Scaling or Normalizing the column in R
Get Variance of a column in R
Get Standard deviation of a column in R
Get Median of a column in R
Get Mean of a column in R
Get Maximum value of a column in R
Get Minimum value of a column in R
Filtering with multiple conditions in R
Descriptive or summary statistics in R
Re order or Rearrange the column of dataframe in R
Reverse the column order of the dataframe in R
Reverse the order of dataframe row wise
Cube root of the column in R
nth root of the column in R
Square root of the column in R
Cube of the column in R
Square of the column in R
Raised Power of the column in R
Row wise mean – row mean in R dataframe
Row wise sum – row sum in R dataframe
Cumulative percentage of a column in R
Generate Row number to the dataframe in R
Rounding off the column in R
Cumulative product of a column in R
Cumulative sum of a column in R
Stratified Random Sampling in R – Dataframe
Simple Random Sampling in R – Dataframe , vector
Strip Leading, Trailing spaces of column in R (remove Space)
Concatenate two columns of dataframe in R
Get String length of the column in R dataframe
Delete or Drop rows in R with conditions
Exponential of the column in R

 

Author

  • Sridhar Venkatachalam

    With close to 10 years on Experience in data science and machine learning Have extensively worked on programming languages like R, Python (Pandas), SAS, Pyspark.