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Mark Peterson

Rating
1537.19 (13,302nd)
Reputation
7,316 (21,837th)
Page: 1 2 3 4 5 ... 6
Title Δ
Remove group of rows by flag indicator in R -0.45
Create vertical layers in ggplot 0.00
grouped barplots with ifelse different , ggplot 0.00
ggplot why are bars not stacked? -0.28
how to use nest() in tidyr to collapse several rows -0.39
Passing value in pipeline operator -0.43
Creating & storing ggplots (x,y) for factors A and B with loop +1.42
Plot difference over time in R +1.01
Spreading row indices into columns in R 0.00
Reshaping Dataframe to have top 2 values -0.54
R ggplot2 reduce space between categories in line plot 0.00
Customize R Box-Plot 0.00
Get rows in dataframe that have same values in columns as given row +0.46
R For Loops Column Means +0.47
R Converting Factors into New Variables -1.11
faster nested for loop R 0.00
R: Aggregating History By ID By Date +0.99
How to flip pairs into X>Y order in R? 0.00
R: facet_grid plot of differences between groups using ggplot2 +1.60
How to merge three .RData files with same object name in R +0.47
Is there a way to get dplyr's bind_cols to expand number of row... 0.00
How to apply a function to all combinations of rows in a data frame? +0.46
Dplyr : how to find the first-non missing string by groups? 0.00
Grouping and summarising when the columns returned are not known in... +0.47
R padding time series with grouping 0.00
summarising and aggregating column values as rows in R +1.99
Card Shuffle and Distribution in R 0.00
Group data and jump to next case +0.05
Midpoint of discrete diverging scale in ggplot2 0.00
Plot simple time axis for events 0.00
R: Compare two data.frames and delete data that not match +1.76
Rolling Count of Events Over Time Series +1.76
Creating a loop in r for multiple box plots +0.49
Copy column data when function unaggregates a single row into multi... 0.00
Got an error using ifelse inside mutate inside the for loop +0.48
apply custom function to a particular column rowise by group in dat... -0.02
R Programming: Save data with different space lengths -0.07
Break summed row into individual rows in R 0.00
means of vectors in dataframe by factor +2.62
How do I generate all the vectors by swapping two positions? -2.29
R: extract hour from variable format timestamp -1.16
Apply function only if columns respect condition +2.47
Conditional font color R Markdown 0.00
How can I aggregate close time events in R 0.00
using regular expression to combine words in R 0.00
Add legend to indicate shapes 0.00
Import multiple shapefiles with different sets of attributes in R a... -0.01
How to reactively define first column with dplyr in Shiny 0.00
dplyr : how to get two-way tables with marginal proportions? +2.12
What is wrong with my shiny app? 0.00