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 ... 5 6 7 8 9 ... 24

Title	Δ
Convert Two column data frame to occurrence matrix using R	+0.29
How can I concatenate vectors in loop in R	0.00
How to use "lapply" and "outer" together?	0.00
Multiply matrices with Loop in R	0.00
How can I get the contribution by each predictor to the final regre...	+0.28
Exact kernel density value for any point in R	0.00
Slow dot product in R	+0.62
mgcv: How to get spline equations	0.00
Remove data points with too much leverage on gam fit	0.00
Without calling polym(), how can I count the number of interactions...	0.00
How to make lm ignore NA columns	0.00
Hypothesis testing of standard deviation for two samples with diffe...	0.00
"not resolved from current namespace" error, when calling...	0.00
N'th minimum pair from dist function	0.00
R:calculating mean for every n values from a vector	0.00
Counting chunk sizes in intermittent numerical sequences	0.00
generate N(0,1) using uniform(0,1) in R	+0.05
How to plot a curve line with X and Y as a parameter in R	+0.28
Distinguish between lm object and rlm object	+1.72
mgcv: how to specify interaction between smooth and factor?	0.00
How to calculate multiple R coefficients at one time?	0.00
P spline smoother	0.00
Number of segments in SpatialLinesDataFrame	0.00
R: can 'mu' or 'Sigma' be vectorized in MASS::mvrno...	0.00
Bounding box for each polygon in SpatialPolygonsDataFrame R	0.00
R - converting multiple lines of code into a single-line expression	0.00
Solve homogenous system Ax = 0 for any m * n matrix A in R (find nu...	0.00
How is the 'level=' argument of 'predict' function...	0.00
Estimating linear regression with Gradient Descent (Steepest Descent)	+0.29
gamm models in R	0.00
R: build separate models for each category	0.00
How to automatically know the selected variable in stepAIC in R?	0.00
A strange phenomenon while using the "dmvnorm" function	0.00
Do I need Indicators for Regression with Categorical Variables?	0.00
Calculating MSE: why are these two ways giving different results?	0.00
Why does arm::standardize() fail to work on a lm object in a loop?	0.00
How to get the dim() of all of the objects obtaining from ls() in R...	0.00
why is filling a row of a matrix much slower than filling vector of...	0.00
How to obtain RMSE out of lm result?	0.00
Correct use of pivot in Cholesky decomposition of positive semi-def...	0.00
R - linear regression - interpretation of interaction and poly()	0.00
mgcv: can I drop a level for factor 'by' variable?	0.00
Cholesky decomposition of correlation matrix too large?	0.00
Removing observations based on leverage values	0.00
Entropy of a column of data set	0.00
Optim inside function: promise already under evaluation	0.00
prop.table error: x is not an array	0.00
Counting NA characters of a matrix	+0.29
compare splines and polynomials	0.00
R Recover original data.frame from model.frame	+1.08