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Rating Stats for

Zheyuan Li

Rating
1705.91 (128th)
Reputation
49,979 (2,002nd)
Page: 1 2 3 4 5 6 7 ... 24
Title Δ
Select data frame rows if specified columns are less or equal than... 0.00
R base plot system: substitute default axis with user-define axis w... -0.24
Run a function of 2 arguments over a span of parameter values in R 0.00
How to specify argument `centers` for `flexclust::distEuclidean`? 0.00
Unable to get R-squared for test dataset 0.00
Timing R code with Sys.time() 0.00
Randomly sample contiguous rows from a data frame or matrix 0.00
Removing dataframe outliers in R with `boxplot.stats` 0.00
Error in terms.formula : '.' in formula and no 'data... 0.00
Find row name of a Table given max value 0.00
Fitting a polynomial regression model selected by `leaps::regsubsets` 0.00
Regression coefficients do not change when regressing on different... 0.00
Identify data frame columns that only have NA +1.14
How to calculate outliers by columns in R? +0.26
Combine elements from 2 lists into the same subset in R +1.31
Rejection Sampling to generate Normal samples from Cauchy samples +1.17
How to count occurrences of sequences of values in a data frame? +0.86
Replicate row indices of non-zero entries in a sparse matrix by val... +1.35
Create all possible combinations of n elements with m levels 0.00
Finding the slope for multiple points in selected columns +1.13
Why does gcc's code-gen for my unrolled loop epilogue look over... +0.27
256-bit vectorization via OpenMP SIMD prevents compiler's optim... +1.51
Why reading rows is faster than reading columns? +0.28
Why does using "mgcv::s" in "gam(y ~ mgcv::s...)&quo... +1.21
R: Error in contrasts when fitting linear models with `lm` -0.85
How to do a GLM when "contrasts can be applied only to factors... 0.00
Calculation of DFFITS as diagnostic for Leverage and Influence in r... 0.00
Get contingency table for each column of a matrix +0.95
AR(2) simulation with arima.sim() 0.00
"lty" in matlines() is not working when making regression... 0.00
Extract 100 sections from a vector +1.11
Transform a vector to a 3-dimensional matrix 0.00
subsetting from a fully vectorized function in R? 0.00
Pass an expression as a function argument in R 0.00
Reparametrize fitted regression spline as piecewise polynomials and... +0.28
Obtaining absolute deviation from mean for two sets of scores +1.47
Does `lm` return `model` for reasons other than `predict` 0.00
Does R always return NA as a coefficient as a result of linear regr... +0.28
How to correctly apply fft function to a dataframe -0.77
R: sampling rows out of a huge table with row-specific probabilities 0.00
Estimate a probit regression model with optim() 0.00
Crossprod between the first column and other columns of a data frame 0.00
Normalize z-axis values onto [0, 1] when using vis.gam for a mgcv GAM 0.00
mgcv: obtain predictive distribution of response given new data (ne... 0.00
predict() gives wrong matrix for bs(); how to predict linear regres... 0.00
predict newdata with NA for smooth.splines 0.00
row / column rescaling of a "dgTMatrix" 0.00
R: Fit curve to points: what linear/non-linear model to use? +0.28
How to make `integrate()` to accept a vector in an R function? 0.00
R: Calculating values for all elements of an matrix +0.29