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Chuck P

Rating
1434.06 (4,535,111th) 		Reputation
93 (751,759th)
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Title Δ
How to split an existing column into three and then append it to th... -1.63
R: Create New Dataframe Variable Based on List Element Name 0.00
Filtering in lm() with several variables 0.00
How to use variables names as stored in a vector without the quotat... +1.02
Comparing strings and extracting differences at the phrase-level in R 0.00
R Iterate dataset generation -0.39
Finding a value in a dataframe according to two columns from anothe... 0.00
Creating a matrix with random entries with given probabilities in R 0.00
How to choose the best combination of variables (with less NAs) in R +0.43
By using R to find how many members filled the survey data continou... -1.61
Extract lists of coefficients and p-values for multiple invariant i... 0.00
R convert dataframe with character lists to list with correct R typ... 0.00
Line plot using means of data and grouping +0.83
Add column index of min value for each row in new column -1.41
Merging R dataframes with word counts (of unequal length) - Text mi... +0.09
Merge two datasets in R based on column values -1.70
Re-positioning axis labels in face_wrapped plots with free y axis i... -1.48
loop to identify a sum and then get the position of that sum -0.41
Calculate the error sum of squares after deleting the ith observati... +0.47
Extract lists of p-values for each regression coefficients (1104 li... +0.08
Problem in creating a model.matrix of quantitative predictors in R 0.00
full_join but with condition on matching -1.41
Is there an R function to fit an ARIMAX model for all possible comb... 0.00
R: How to insert a row in Dataframe starting at a certain column? -0.42
How to get summary of different models inside loop? 0.00
Find a string in R and replace it with other? 0.00
How to round data values into new column and group in R -1.63
How to colour my scatter plot with data that I've combined? 0.00
Is there a way to apply wilcoxon test grouped by site? 0.00
Changing entries in a dataframe depending on whether they are betwe... -1.65
How to use the factor(f) syntax in dplyr/ forcats package in R? +0.58
Construct loop in R to search and replace values in data.frame A ba... 0.00
Adding an independent y axis to a ggplot graph -0.44
How to avoid the dummy variable trap when dummy coding several trea... 0.00
How to code the permutation equivalent of Mood's Median Test in... +0.58
Predict specific x-value after loess regression on each group with... 0.00
Saving each iteration in a for loop as a data frame -0.81
R regression stepwise - Change entry/removal criteria, and model va... 0.00
Running multiple nested regression models in tidyverse workflow +0.66
R StepReg stepwise gives 'y' should be numeric or character... 0.00
For loop trouble in r -trouble -0.50
How to add 3rd variable in bar chart for ggplot2? -1.30
Tukey HSD for categorical and continuous variables in R 0.00
R output tukey results only where factors or interactions are signi... +0.07
How to sample values in R such that the values of a column in the s... +0.08
check variables and group them according to group belonging +0.74
Error in if (as.character(drlc[c, i]) == "Other Specify")... 0.00
Mutate operation by group in a FOR loop 0.00
subsetting data based on four columns using if else statements 0.00
Grouping column by the first two characters into two groups +0.47