StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

Roland

Rating
1662.46 (396th) 		Reputation
105,284 (681st)
Page: 1 ... 49 50 51 52 53 54
Title Δ
Convert a row of a data frame to vector -0.25
Can I list objects sorted by date? -1.13
Using get() with replacement functions -0.95
Why is my sapply function building a vector of integers? 0.00
match.call with default arguments +1.79
Extract prediction band from lme fit 0.00
How to make a unique in R by column A and keep the row with maximum... +2.04
Normalizing columns of matrix between -1 and 1 +0.70
R eval list strings for data.frames and then concat the data.frames -2.37
How to calculate the difference between two rows +0.20
fast join data.table (potential bug, checking before reporting) -1.25
How to adjust `binwidth` in ggplot2? 0.00
Duplicates after aggregating wiith data.table 0.00
weighted means by group and column +0.36
adjusting row height in R image() function -0.22
Pie-chart and legend are overlapping +0.48
Fast vectorized function to check if a value is in an interval -1.03
Local and global extremum points on time series data in R based on... 0.00
What is the difference between the following 2 lines of R code: +1.64
Merge data frames from a list with each other +1.90
nls line of best fit - how to force plotting of line? 0.00
back and forth to dummy variables in R -1.87
Calculate ranks for each group 0.00
R time-series ddply 0.00
Converting R Factors into Binary Matrix Values -1.13
2d color plot in R +0.47
Get xlim from a plot in R -1.17
Getting the indices in the initial order 0.00
Use all values in ecdf but apply xlimit 0.00
sapply cannot handle date correctly 0.00
Calculate probability from a given quantile 0.00
R data.frame columns with the same name check.names=FALSE not working 0.00
Reading svmlight-formatted textfile? +1.26
Remove identical sequence of same numbers from data frame/vector -0.17
does the by( ) function make growing list -0.37
Including values according to frequency -1.95
Summarising the first half of a column +1.18
converting three columns to unix time R -0.56
Prevent a nls-fit from falling below zero +1.40
Add a common Legend for combined ggplots 0.00
week day week-percent from time-series 0.00
Collapse data frame, adding values for factor +1.50
Matrix of vectors in R +2.04
Find closest values to a list of integers -0.02
How can I lapply to sub element of list within a list -0.01
Adding a new column in R data frame with values conditional on valu... +0.44
Enumerating and do Calculations +0.02
Setting column name in "group by" operation with data.table 0.00
Updating data.frame from another data.frame with different columns... +0.43
Calculating cosine similarity if data contains NA values 0.00