Matt Parker

Denver, CO

https://github.com/mmparker

Trainer and data scientist in the Microsoft Azure Data Science group.

top accounts reputation activity subscriptions

What's the difference between a confidence interval and a credible interval?

bayesian confidence-interval frequentist credible-interval fiducial asked Sep 1, 2010 at 13:53

stats.stackexchange.com

52 votes

Numeric comparison difficulty in R

r floating-point comparison comparison-operators r-faq asked May 4, 2010 at 22:55

stackoverflow.com

50 votes

Geocoding USA addresses that cannot be sent over Internet

geocoding united-states address privacy asked Jul 22, 2010 at 19:13

gis.stackexchange.com

23 votes

Time series for count data, with counts < 20

r time-series poisson count-data epidemiology asked Jul 19, 2010 at 23:37

stats.stackexchange.com

22 votes

Tooltips not showing when hovering over SVG polygons

html svg tooltip asked Aug 31, 2012 at 20:54

stackoverflow.com

22 votes

d3.js - evenly spaced bars on a time scale

javascript charts axis d3.js asked Aug 29, 2012 at 20:55

stackoverflow.com

18 votes

What is the difference between statistics and biostatistics?

terminology biostatistics asked Nov 10, 2010 at 17:37

stats.stackexchange.com

10 votes

Longitudinal comparison of two distributions

repeated-measures asked Sep 24, 2010 at 19:54

stats.stackexchange.com

10 votes

Estimating variability over time

repeated-measures variability asked Aug 6, 2010 at 21:54

stats.stackexchange.com

9 votes

Buffers of public transportation transit times

google-maps buffer transportation asked Jul 23, 2010 at 15:02

gis.stackexchange.com

Top Answers

1633

How to join (merge) data frames (inner, outer, left, right)

stackoverflow.com

147

How to get row from R data.frame

stackoverflow.com

reshape vs. reshape2 in R

stackoverflow.com

Looping over variables in ggplot

stackoverflow.com

command line utility to print statistics of numbers in linux

stackoverflow.com

Initializing data.frames()

stackoverflow.com

What is the meaning of p values and t values in statistical tests?

stats.stackexchange.com

ggplot2 - bar plot with both stack and dodge

stackoverflow.com

Why is Poisson regression used for count data?

stats.stackexchange.com

ggplot legend issue w/ geom_point and geom_text

stackoverflow.com

Resources for an R user who must learn SAS

stats.stackexchange.com

Self study vs a taught education?

stats.stackexchange.com

Looping through a column in R

stackoverflow.com

How to format number values for ggplot2 legend?

stackoverflow.com

Reshaping several variables wide with cast

stackoverflow.com

how to develop a program to minimize errors in human transcription of hand written surveys

stackoverflow.com

Interactively ask user for filename before saving file

stackoverflow.com

Group vs Stacked Bar Plots

stats.stackexchange.com

Avoid that space in column name is replaced with period (".") when using read.csv()

stackoverflow.com

Most used data wrangling methods/commands in R

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Convert data.frame columns from factors to characters

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Drop unused factor levels in a subsetted data frame

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What is the most useful R trick?

stackoverflow.com

Way to get started with and learn R?

stats.stackexchange.com

How should I handle categorical variables with multiple levels when doing backward elimination?

stats.stackexchange.com

How to measure the "well-roundedness" of SE contributors?

stats.stackexchange.com

Parametric techniques for n-related samples

stats.stackexchange.com

command line utility to print statistics of numbers in linux

stackoverflow.com

Select rows with min value by group

stackoverflow.com

Align multiple ggplot2 plots with grid

stackoverflow.com