StackRating

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

Zheyuan Li

Rating
1705.91 (128th)
Reputation
49,979 (2,002nd)
Page: 1 ... 16 17 18 19 20 ... 24
Title Δ
How do I update the first n columns by adding each to a defined col... +1.97
Only label for value "zero" is not centered to its tick i... +0.40
renaming a column in a dataframe using a value from the global envi... 0.00
Summarize distribution of factors in R data frame -0.28
R: How to provide a vector to the `mean` argument of `rnorm`? 0.00
storing the rowname column name and cell for the max in a matrix di... +1.56
r program changing yes/no variable to 1/0 - " variable 'me... +0.40
R QQ-plot not showing 0.00
maximal number of identical elements between any two columns of a m... -0.10
Check for event in last x years return dummy -0.13
R- Difference betwen c(1:6) and c(1,2,3,4,5,6) in the case of typeo... 0.00
How do you convert year values in a dataframe into 2-digit values? 0.00
Remove outliers in R based on 2SD 0.00
How can I solve this system of linear equations? 0.00
What is the red solid line in the "residuals vs leverage"... 0.00
save objects of a function without printing in R +0.40
Calculate probabilities in R programming +0.40
making function that checks if vector exists in matrix faster +0.40
Plotting problems 0.00
Replace value per row with value in first column -0.35
Create new variables dividing all variables of a data frame by the... 0.00
Importance sampling in R -0.60
lm(): What is qraux returned by QR decomposition in LINPACK / LAPACK 0.00
repeat row data with categorical variable a varying number of times +1.52
Excel Dummy Variable for R 0.00
step$anova following stepAIC() not subsettable? 0.00
Check if all values in data frame meet a condition (the condition i... +2.89
R Scatterplot, transform values used as label 0.00
How to show null data in barplot R 0.00
Interpeting R significance codes for ANOVA table? 0.00
Aligning awkward plot and axis titles 0.00
Splitting a word into length combination +0.34
Create a vector of counts +0.41
Vectorizing a for loop in R that uses the unique function -0.88
R: getting axis labels on parallel coordinates plot 0.00
Lmer4 predict function is returning fitted values, not newdata values 0.00
An example of outer product in R +0.82
Messy plot when plotting predictions of a polynomial regression usi... 0.00
Error: covariances should be a n x n matrix 0.00
The standard deviation of the absolute error for a linear regressio... 0.00
Sum of group but keep the same value for each row in r +1.56
ordering character vector in R by chosen target order 0.00
matrix to dataframe for easier 3D plotting 0.00
r - single labels for multi-plot figures 0.00
R - combine ten plots in matrix layout 0.00
Indexing nested list structure in R 0.00
Problems with cleaning a data frame with ifelse -0.41
R: Using lapply on rbinom with different arguments for prob 0.00
Factor levels default to 1 and 2 in R | Dummy variable -1.38
Create a chart with 4 boxplots comparing LungCapacity and the defin... -0.09