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Rating Stats for

Darren Tsai

Rating
1579.47 (3,058th) 		Reputation
2,615 (64,638th)
Page: 1 ... 6 7 8 9 10 11
Title Δ
How to calculate mean and standard deviation based on percentage +0.31
R: How to randomly sample one value from each column and bootstrap +1.18
Grouping by row value while aggregating total value of other cell v... 0.00
Reformatting JSON Files in R +2.02
Split by variable in a specific group using dplyr +1.61
Tranpose the duplicated row with unique value and assign the value... -0.53
How to assign heatmap color range 0.00
Assign single output for multiple-output function to new function -0.09
Create a set of variables in a dataframe based on a set of rules fr... -1.88
Add column and row total in ftable -0.54
return column name when value above threshold -1.39
How to find the Id and put it in a new column +1.47
Substitute a function and variable into the LaTeX string with latex... -0.54
How to switch every two elements in a vector in R? +2.11
Extract the first and last non-zero row and column from a binary ma... 0.00
How do I get the values of x-axis(FPR) and y-axis(TPR) in ROC curve 0.00
Counting "Yes" in multiple columns in a data-frame using... +2.02
Gather all the unique values from 2 columns into a new column 0.00
Line breaks in a delimited file +1.52
how to parse a text file that contains the column names at the begi... +2.16
Join multiple tables dynamically -0.32
Grouping sequential values with "gap tolerance" +0.28
Conditional Ifelse based on Rule for Employee Hierarchy 0.00
Separate a shopping list into multiple columns +1.11
R: Summarize rows per month +0.30
How to make smaller table grow and match the contents of larger tab... -0.54
partial match a dataframe column to pick rows of interest 0.00
How to sort data rowwise in R +2.02
Insert list of vectors in matrix by matching names in R -0.55
Summarizing percentage by subgroups -0.03
Display and remove longest n durations by top_n 0.00
Creating a vector of numbers based on letters -0.65
Select rows with two different probabilities within a R data frame 0.00
R: no applicable method for 'separate_' applied to an objec... +0.49
Converting matrix from 288*2 to 48*6 +0.44
Subset Dataframe of Duplicate Values by Max Date -1.79
Use loop to create lists inside another list +1.71
Create a new data frame with condition in group with R -1.36
Finding columns that contain values based on another column 0.00
I'm trying to add ".0" onto any single digit numbers... +1.79
Count number of occurrences of a string from a column inside anothe... -0.55
How to create a new table given X and Y from a data frame +0.03
Group values based on 2 columns +2.27
Add pattern to every row in alternate way in a data frame -0.00
rnorm is generating non-random looking realizations 0.00
How to lag a vector then create a matrix? -0.66
Assign value to indices of nested lists stored as strings in R 0.00
Calculate the values of a probability density function for multiple... +1.63
Dataframe add new rows from existing ones -1.35
Add markers to given values of x in a plot 0.00