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Zheyuan Li

Rating
1705.91 (128th)
Reputation
49,979 (2,002nd)
Page: 1 2 3 4 5 6 ... 24
Title Δ
R: results differ when calculating Euclidean distance between two v... 0.00
Heatmap error with : 'x' must be a numeric matrix 0.00
How to group in R and return as a list? 0.00
R: rowsum function changes order of groups after aggregation 0.00
R: Why am I not getting type or class "factor" after conv... 0.00
plotting a fitted segmented linear model shows more break points th... +0.25
R package Matrix: get number of non-zero entries per rows / columns... -0.24
how to debug "factor has new levels" error for linear mod... 0.00
R: How to get piecewise coefficients of an interpolation spline for... 0.00
sparseIndexTracking 0.1.0 failure in if(): missing value where TRUE... 0.00
How do I split a data frame among columns, say at every nth column? 0.00
How to save and load spline interpolation functions in R? 0.00
"object not found" and "unexpected symbol" erro... 0.00
Find median of every row using matrixStats::rowMedians +0.99
mgcv_1.8-24: "fREML" or "REML" method of bam()... 0.00
Why is a histogram for normal samples rougher near the mode than ne... +0.72
R: Is it possible to combine rows of non-equal length into a single... 0.00
"non-finite value supplied by optim" error when using bet... 0.00
R: Why does mean(NA, na.rm = TRUE) return NaN +0.26
R: table function suprisingly slow 0.00
What if I want a single linear regression model rather than an &quo... 0.00
Matrix Multiplication "*" works in MATLAB but not in R 0.00
Can I speedup my R code with Rcpp? +1.07
How to find the column means for a sparse matrix excluding 0 values? +1.24
Regression in a loop but get "Error in coef(summary(fit))[2, 4... +0.26
Distance from the closest non NA value in a dataframe +0.89
Is there a method with R function duplicated() for a sparse matrix... +0.25
Generate matrix where each new column is a multiple of previous col... 0.00
"argument is not numeric or logical: returning NA" error... 0.00
Assigning colours to flags picking the corresponding colour from a DF 0.00
Plot of a Binomial Distribution for various probabilities of succes... -0.73
get the derivative of an ECDF 0.00
Fitting a spline function in R to interpolate daily values from mon... 0.00
Get number of data in each factor level (as well as interaction) fr... 0.00
Can't reorder data frame columns by matching column names given... +0.24
R regression analysis: analyzing data for a certain ethnicity 0.00
How to decrease machine precision .Machine$double.eps in R? 0.00
Fail to fill in a triangular part of my matrix with a vector: warni... 0.00
transform() does not transform my data [R] 0.00
cooks.distance returning more values than there are in my dataset +0.26
"no applicable method" error when calculating moving aver... 0.00
R: Performance issue when finding maximum of splitted list +1.25
Columns in a wrong order when making a sparse matrix with `Matrix::... 0.00
Count occurrence of pair wise values in a column grouped by a uniqu... 0.00
extract values from time series forecast 0.00
R Error: object of type 'closure' is not subsettable 0.00
All-to-all setdiff on two numeric vectors with a numeric threshold... +0.50
Count number of groups having a specific value over multiple variab... +1.06
vectorizing an R-loop with backward dependency +0.85
How to speed up my R code? 0.00