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MichaelChirico

Rating
1581.19 (2,917th) 		Reputation
20,893 (6,447th)
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Title Δ
How to subset data.table on the basis of a values in a certain colu... -0.07
R item combinations group of 3 +1.78
Draw lines between all the coordinates in a plot -0.11
Max number of covariates in lm() 0.00
Lower case for a data frame column 0.00
why does summarize function only give one result? +1.95
transform values with ifelse conditions in R 0.00
Aggregate data.frame rows using data table with multiple collapse f... +0.43
How to write loop for creating multiple variables in R +1.88
How to accessing a vector element by name in R, some names are dupl... +0.45
How to sum columns by two groups, then collapse the rows in R data... +1.92
Replacing Values in a DataFrame Based on Lookup Table -1.87
efficient Schwartz-Bayes matrix R 0.00
Pivot a data frame that contains a list +1.10
Generating multiple columns in data.table using shift() for recursion 0.00
Using dplyr to conditionally replace values in a column +0.09
Split column to multiple columns adaptively in R -0.60
Calculate weighted average life in R +0.37
Increase performance by moving away from a for loop -0.78
R Programming 30 day Months -1.58
(R coding) Biology dataset, changing specific nucleotide letters to... -0.05
Using group_by() in dplyr for certain number of rows 0.00
Remove space from row names in R 0.00
Give a unique ID number based on certain condition in a data frame +1.99
Generate random numbers spaced at least 10 apart +1.08
limiting master data frame to a certain point +0.26
Combining indices according to another dataframe in R? +0.14
Hide columns where all values are 0 with DT::datatable +0.50
Is there a difference between a^2 and a^2L? -0.36
how ifelse (in data.table) works 0.00
How does RStudio determine the console width, and why does it seem... 0.00
Using lapply in R when there isn't a function? 0.00
Fill missing timeseries data with NULL rows R 0.00
How to delete groups containing less than 3 rows of data in R? -0.04
Identify similar repeating ascending patterns in numeric vectors in R +2.13
R program: list in one column -> data-frame with dimension -1.13
how to compare and tabulate frequency of common elements between tw... -1.93
r equivalent of matlab eval 0.00
Conditionally select a data frame or dataset , but incorrectly rece... -1.89
R matrix of lists 0.00
count the number of times a number (factor) occurs within each group -0.30
R setdiff() by regex +2.17
Conditional Factor Level Selection in Aggregation of Data Table -0.85
How to calculate Mode (Statistics) for a set of every 10 numbers in... -0.05
"R"ify code to save memory and CPU power and / or how to... 0.00
Groupby and transform two columns in df into matrix R 0.00
Converting 1M to 1000000 elegantly -0.57
Restrict column to specific range using data.table in R -1.29
Duplication of Rows in data.frame in R +2.09
How does the R 'density' function use specified weights? 0.00