I have a following data frame in R: Group Value Control 2 Control 3 ...

I wanted to create a function that allowed users to slice a dataframe by a column with their input values. I was thinking of doing something like this ...

I have a data.table that I want to aggregate by group (customer ID) and look at how their first spend compares to the second spend, third spend etc. ...

I have a folder with hundreds rasters with different names. Some names are partially similar, except for the last 5 letters which characterize the yea ...

I have three tables that follow broadly the similar format: I would like to reduce them so that each of the three files only has variants that are ...

I have looked at a few solutions but have not been able to find anything that includes observations in which the ID occurs more than once. My data loo ...

I want to replace all 0 values to NA but only in subset of columns. To change all 0 to NA in the entire df one should use but I want to change 0 ...

I have a data frame with 854 observations and 47 variables (India_Summary). I want to create another data frame that contains only some columns from t ...

I have the 52K row dataframe. I want to drop all genes that dont have both Light and Healthy in the group column. I would like to filter these out. I ...

I'm trying to tidy up my plot. There are 3 things i'm struggling with (I'm a bit novice!) In the top right quadrant, I want to enlarge the text la ...

I am working with multiple data frames named dm6, mm10 and hg38. They look like this: I would like to make subsets like this, in which I would have ...

I feel like this isnt a hard question, but an hour of googling has gotten me no where. say I have the following DF Column A C ...

I have a large data frame that I want to subset automatically based on selected variables from different columns (one at a time). For example, there ...

I need to loop through a large number of data frames whose column names will vary slightly. I need to filter the data frame for dynamic column names w ...

I want to remove rows in dataframe1 with a date that occurs before the date in dataframe2, based on the specific course. Dataframe1 that looks like t ...

I have a tibble with one row per observation. The columns have variables such as ID number, DOB and test results d1 ID DOB ...

I have subsets from a dataset and want to perform a regression on these subsets. I can code everything individually but I am looking for a clean and f ...

I need to select the levels of Species in the dataset Iris (available in R) with the function subset() and calculate the mean of the column Petal.Leng ...

Ultimately I want to use postcodes for all state-funded secondary schools in England, but for now I'm trying to figure out what code I will need to us ...

Imagine a table which has one entry with "I pledge allegiance to the Flag of the United States.", and another entry with "I pledge allegiance" Lookin ...