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Rating Stats for

zack

Rating
1508.60 (81,862nd)
Reputation
3,364 (50,177th)
Page: 1 2 3 ... 4
Title Δ
How to merge/join dataframes in R conditionally to dynamic time int... 0.00
Reshape data with multiple header rows in R +0.49
Calculating conditional summaries of grouped data in dplyr 0.00
Apply a function to all columns of data frame which returns a list 0.00
Finding cumulative maximum of Date objects +2.14
R rlang: use .x in map() with quosure? -0.07
Merging two dataframes by stringmatch with dplyr and stringdist -0.01
Merge two lists of data frames -0.28
Apply `dplyr::rowwise` in all variables -0.24
Weird shift/lag result from data.table 0.00
How to create a list for all unique elements in a column that share... +0.49
How do I count the number of strings in a data frame regardless of... +1.04
Spread variable across multiple columns in dplyr +2.13
In R: How to aggregate entire rows based on the max value in a cert... +0.16
R from SAS PROC SQL Conditional Join -0.51
How can I use apply properly in R in this dataframe column? -0.29
data.table and using roll over multiple columns +0.68
Making columns out of row values 0.00
Remove periods/dots in entire data frame +0.49
How can I fill NAs in one column when that column has a relationshi... +0.50
Convert long to wide dataset using data.table::dcast or tidyr +0.50
Summarise? Count occurences in column based on another column -0.13
How to detect consecutive values above a threshold? -1.27
Efficient way to fill column with numbers that identify observation... +0.28
How to bind two lists with same structure? +1.35
Filling in multiple sandwiched NA values -0.67
Select the rows that do not exists in other df +0.67
Creating several new vectors from an original vector with separators +1.00
dplyr::end_with and case sensitivity 0.00
Compute differences between rows in a dataframe depending on values... -0.26
Creating a matrix in R from transaction rows +1.84
R: Select first occurrence by time date for multiple ID's -1.83
Passing variables to do assignments inside function 0.00
Looping through data frames and plotting graphs 0.00
Getting a specific value of data.table using a variable in R 0.00
recode/replace multiple values in a shared data column to a single... +0.49
Adjust geom_point size so large values are plotted, but do not appe... +2.32
Taking subset of data to do calculation in data.table +0.49
Split a vector and summing values +0.13
Format data long to wide across values with NA 0.00
Why does broom::augment return more rows than input data? 0.00
Can't add double quotes to file's directory 0.00
Passing an external function (and arguments) to dplyr summarize or... 0.00
Accessing grouping variables in purrr::map() with nested dataframes +0.50
Using Group by and Slope with dplyr to get new column +2.20
rolling join to find genomic regions 0.00
purrr's possibly on stepwise regression on all X-Y combinations 0.00
data frame to affiliation matrix in R +0.51
R - A loop comparing elements in common between two hierarchical li... +0.62
Using tidyr's gather_ 0.00