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Matt Parker

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1498.92 (3,813,398th) 		Reputation
19,923 (6,852nd)
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How to separate a dataframe into a list of dataframes regarding col... +0.00
R: Building a list from matching values in a data.frame -1.81
How to create a binary matrix of inventory per row? (R) +0.82
R how to create custom x-axis with dates -2.55
Export SAS dataset to Access with formatted values +2.09
Export SAS dataset to Access with formatted values -3.91
R: Yahoo/Bing or other alternatives to Google Earth for geocoding? -4.02
Creating tuples from two vectors -1.94
Interactively ask user for filename before saving file +4.25
R programming: Using varfun to specify variance function in glm fam... 0.00
Choosing between qplot() and ggplot() in ggplot2 -3.86
Non-continuous variable supplied to scale_x_continuous in ggplot2 g... 0.00
Change stack order of True and False in R/ggplot2 0.00
Operation result with one of the variables null (empty) in SAS -3.99
How to import large dataset into SAS? 0.00
What is statistically significant latency variation? -2.11
SAS or Python Extracting Map for Directions as Picture +0.02
Experience with using h5py to do analytical work on big data in Pyt... -4.13
Initializing data.frames() -1.49
Looping over variables in ggplot +3.93
multiple missing types from SAS to SQL server +0.66
Force all coefficients to be negative in PROC REG 0.00
ggplot legend issue w/ geom_point() and geom_text() +4.06
Only keep min value for each factor level +1.66
Looking up values in R -1.40
How to format number values for ggplot2 legend? 0.00
How to add dates and forecast to data.frame? 0.00
Loop through a .csv file in R, computing relative frequencies? 0.00
How do I measure variability of a benchmark comprised of many sub-b... +3.86
BY-variable not shown in Univariate Frequencies? 0.00
How do I make the y-axis intersect the x-axis at 0 in ggplot2? +1.17
SAS career - where to get SAS training? +1.79
How to notice unusual news activity -3.10
how to develop a program to minimize errors in human transcription... +4.07
Utilise Surv object in ggplot or lattice -3.55
How can I loop through variables in SPSS? I want to avoid code dupl... -0.12
Convert data.frame columns from factors to characters -2.64
How to mutate rows of data frame - replacing one value with another -4.04
What's the best way to annotate this ggplot2 plot? [R] -2.79
aggregate over several variables in r +1.84
In ggplot restrict y to be >0 in LOESS +0.37
how do you loop over a global variable in Sweave -3.68
Replace values in a dataframe based on another factor which contain... +4.56
split a string vector [R] +0.13
Looping through a column in R +3.95
LaTeX breaking up too many words -3.95
How do I sort one vector based on values of another +2.74
Working with Data.frames in R (Using SAS code to describe what I wa... +0.22
Help me replace a for loop with an "apply" function +2.31
Rounding output from by function in R -3.08