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Zheyuan Li

Rating
1705.91 (128th)
Reputation
49,979 (2,002nd)
Page: 1 ... 9 10 11 12 13 ... 24
Title Δ
`predict.nls` returns fitted values rather than predictions at spec... 0.00
Find the number of eigen values that contributes relatively to a gi... 0.00
How to use formula in R to exclude main effect but retain interaction +0.33
Why do I get NA coefficients and how does `lm` drop reference level... 0.00
How to avoid writing the same R clause 6 times +0.32
Applying lm() and predict() to multiple columns in a data frame 0.00
R How to generate a vector of probabilities normally distributed to... +2.05
Arrange monte carlo p-value into a matrix for different sample size... 0.00
Incorrect abline line for a regression model with intercept in R 0.00
CVlm {DAAG}: setting printit = FALSE causes an issue - object '... +0.34
R - Derivative of Log Incomplete Gamma Function 0.00
Plot conditional density curve `P(Y|X)` along a linear regression l... 0.00
Figuring out variables' class in a regression model without acc... 0.00
Plotting conditional density of prediction after linear regression 0.00
plot.lm Error: $ operator is invalid for atomic vectors 0.00
Linear fit without slope in r +0.31
lmPerm P-Values Different depending on Order of Coefficients 0.00
Thin Plate Spline for 3D surface prediction in R 0.00
mgcv: Fix smoothing parameter in GAMM and validity of model nesting 0.00
Difference in expected predicted values from lm in R -2.69
chol() function in R keeps returning Upper Triangular (I need Lower... 0.00
Add or multiply a different value by factor level 0.00
Fast way to create a binary matrix with known number of 1 each row... +0.77
Is `outer` fast enough for my double summation? 0.00
How to subset data in R without losing NA rows? 0.00
Function for polynomials of arbitrary order (symbolic method prefer... +2.00
Function for polynomials of arbitrary order (symbolic method prefer... -2.00
Function for polynomials of arbitrary order (symbolic method prefer... +0.33
Producing 3D plot for surface of revolution (a GLM logistic curve e... 0.00
Why predicted polynomial changes drastically when only the resoluti... +1.54
`predict` error while doing n-fold cross-validation for my GLM 0.00
R: How to sample from the geometric space outside a 4D hyper ellipse? 0.00
Struggling with simple constraints in constrOptim 0.00
how to use the dmvnorm function and mapply together 0.00
Compute covariance matrix on our own (without using `cov`) 0.00
How to write interactions in regressions in R? +0.33
Numerical integration in R : bad integrand behaviour error 0.00
R: How to fit a time series model such as "Y(t) = αX + βY(t-1)... +0.33
Add error bars to multiple lines to show standard deviation on a pl... +1.13
`apply` function does not work for my time series 0.00
Check if one element equal the previous element R -0.51
Simple time series analysis with R: aggregating and subsetting 0.00
how to extract timestamps from ts object in r 0.00
R : How to find data only within 1 standard deviation 0.00
How to use persp() with R to graph three variables in a dataset +1.16
Getting a weird error running multinomial regression with {VGAM} 0.00
Goodness of fit test for multimodal distribution in R 0.00
Import multiple CSVs without headers into single R data frame 0.00
means of vectors in dataframe by factor -2.62
2-fold (repeated) integral in R 0.00