How to select the rows with maximum values in each group with dplyr?
15594
Select the row with the maximum value in each group
67914
How to create grouped barplot with R
151527
Using R statistics add a group sum to each row
156237
Efficient query to get greatest value per group from big table
74819
Python Pandas add column for row-wise max value of selected columns
100981
Select multiple rows with different criteria for each
2060
How do I create group data in a category with more than and less than in R?
155717
Max of a table/list with indeterminate values
24411
Aggregate / summarize multiple variables per group (e.g. sum, mean)
126909
Select a value for the max
146977
Subset of a data frame with the penultimate values of one of the columns
81170
How to replace NA with mean by group / subset?
55747
Grouping functions (tapply, by, aggregate) and the *apply family
94509
Statistical methods for data where only a minimum/maximum value is known
9045
Get top results for each group (in Oracle)
53048
placing mean,total and max together in a table in r
16123
How to find rows that have maximum value?