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Rating Stats for

coffeinjunky

Rating
1500.70 (432,099th)
Reputation
7,339 (21,754th)
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Title Δ
Speed up merging many dataframes in R 0.00
T-test between defined rows in the same data set -2.01
robust and clustered standard error in R for probit and logit regre... 0.00
Append row bind multiple data frames with varying rows and columns -1.88
Aggregating two columns by name -1.61
apply function to each value of a matrix -0.51
Hyper-parameter tuning using pure ranger package in R -0.00
Two-dimensional apply in R? -0.92
t.test for all combinations of a grouping factor first by subsetting +0.06
Count occurrences of strings across multiple columns efficiently -1.23
How to plot a density map in polar coordinates with R? -1.79
get rid of first column when converting dtm Matrix to DataFrame 0.00
How to create columns/variables by extracting characters from given... +1.78
Looping through t.tests for data frame subsets in r +1.21
Confidence Interval from hierarchical bootstrap 0.00
what is equivalent to do.call(rbind, list)? +3.94
bind columns returned by do/tidy from dplyr and broom not working a... +5.14
Calculate and compare coefficient estimates from a regression inter... 0.00
R How to turn off specific error +2.04
R for loop or apply on data table columns -4.35
how to train a regression model on different group of rows in a dat... +1.46
Estimate equation with varying numbers of parameters in R (lm) with... 0.00
Running several linear regressions from a single dataframe in R +4.09
Open a dta file in R 0.00
My density plot in R has values beyond 1! How can I fix this? 0.00
Factor analysis using R over sequential groups of columns in df 0.00
Basic Programming in R - How to build a sequence with pattern? +0.05
How do I estimate the parameters of a bivariate normal distribution... 0.00
Enlarge ggplot2 legend 0.00
Legend for custom function in R 0.00
how to perform an automatic optimisation -4.00
Place a grey box around chart title in ggplot2 0.00
Simulate 5000 samples of size 5 from a normal distribution with mea... -0.97
How to impute missing observations in subsequent rows? -1.97
Building a continuous relationship curve between cutoff and percent... -1.42
Efficiently recoding multiple variables from character to numeric v... 0.00
How do I use lm() from inside a function? -0.62
Reshape the data to result in only a single row +3.99
Modeling for multiple category membership in R 0.00
dplyr count number of one specific value of variable 0.00
Working With Years in a Monthly POSIX data set -0.17
Clustered standard errors with texreg? 0.00
perform lm() inside a piped (%>%) flow: Error of invalid term in... -2.06
R: how to name dataframe rows with the folder names? -4.09
How to save results in R as a list and using them for further calcu... 0.00
Looping regression commands +4.08
Unexpected behaviour with grep and dplyr tbl compared to data.frame 0.00
Frequency count per observation in R +0.06
How to find a percentile that can maximize the correlation coeffici... +1.19
Converting a vector of strings into a numerical vector, based on st... 0.00