- Speaking Stata: Finding the denominator: Minimum sample size from percentages
- N. J. Cox. 2023.
- Stata Journal Volume 23 Number 4.
- Speaking Stata: Replacing missing values: The easiest problems
- N. J. Cox. 2023.
- Stata Journal Volume 23 Number 3.
- Stata tip 152: if and if: When to use the if qualifier and when to use the if command
- N. J. Cox and C. B. Schechter. 2023.
- Stata Journal Volume 23 Number 2.
- Stata tip 151: Puzzling out some logical operators
- N. J. Cox. 2023.
- Stata Journal Volume 23 Number 1.
- Speaking Stata: Automating axis labels: Nice numbers and transformed scales
- N. J. Cox. 2022.
- Stata Journal Volume 22 Number 4.
- Stata tip 148: Searching for words within strings
- N. J. Cox. 2022.
- Stata Journal Volume 22 Number 4.
- Speaking Stata: The largest five––A tale of tail values
- N. J. Cox. 2022.
- Stata Journal Volume 22 Number 2.
- Erratum: Stata tip 145: Numbering weeks within months
- N. J. Cox. 2022.
- Stata Journal Volume 22 Number 2.
- Stata tip 145: Numbering weeks within months
- N. J. Cox. 2022.
- Stata Journal Volume 22 Number 1.
- Speaking Stata: Loops in parallel
- N. J. Cox. 2021.
- Stata Journal Volume 21 Number 4.
- Stata tip 144: Adding variable text to graphs that use a by() option
- N. J. Cox. 2021.
- Stata Journal Volume 21 Number 4.
- Speaking Stata: Ordering or ranking groups of observations
- N. J. Cox. 2021.
- Stata Journal Volume 21 Number 3.
- Stata tip 141: Adding marginal spike histograms to quantile and cumulative distribution plots
- N. J. Cox. 2021.
- Stata Journal Volume 21 Number 3.
- Speaking Stata: Front-and-back plots to ease spaghetti and paella problems
- N. J. Cox. 2021.
- Stata Journal Volume 21 Number 2.
- Erratum: Speaking Stata: Loops, again and again
- N. J. Cox. 2021.
- Stata Journal Volume 21 Number 2.
- Stata tip 140: Shorter or fewer category labels with graph bar
- N. J. Cox. 2021.
- Stata Journal Volume 21 Number 1.
- Speaking Stata: Loops, again and again
- N. J. Cox. 2020.
- Stata Journal Volume 20 Number 4.
- Stata tip 139: The by() option of graph can work better than graph combine
- N. J. Cox. 2020.
- Stata Journal Volume 20 Number 4.
- Speaking Stata: Is a variable constant?
- N. J. Cox. 2020.
- Stata Journal Volume 20 Number 3.
- Speaking Stata: More ways for rowwise
- N. J. Cox. 2020.
- Stata Journal Volume 20 Number 2.
- Stata tip 138: Local macros have local scope
- N. J. Cox. 2020.
- Stata Journal Volume 20 Number 2.
- Speaking Stata: Concatenating values over observations
- N. J. Cox. 2020.
- Stata Journal Volume 20 Number 1.
- Speaking Stata: Some simple devices to ease the spaghetti problem
- N. J. Cox. 2019.
- Stata Journal Volume 19 Number 4.
- Stata tip 133: Box plots that show median and quartiles only
- N. J. Cox. 2019.
- Stata Journal Volume 19 Number 4.
- Speaking Stata: The last day of the month
- N. J. Cox. 2019.
- Stata Journal Volume 19 Number 3.
- Stata tip 132: Tiny tricks and tips on ticks
- N. J. Cox and V. Wiggins. 2019.
- Stata Journal Volume 19 Number 3.
- Speaking Stata: How best to generate indicator or dummy variables
- N. J. Cox and C. B. Schechter. 2019.
- Stata Journal Volume 19 Number 1.
- Speaking Stata: Seven steps for vexatious string variables
- N. J. Cox and C. B. Schechter. 2018.
- Stata Journal Volume 18 Number 4.
- Speaking Stata: From rounding to binning
- N. J. Cox. 2018.
- Stata Journal Volume 18 Number 3.
- Stata tip 130: 106610 and all that: Date variables that need to be fixed
- N. J. Cox. 2018.
- Stata Journal Volume 18 Number 3.
- Speaking Stata: Logarithmic binning and labeling
- N. J. Cox. 2018.
- Stata Journal Volume 18 Number 1.
- Speaking Stata: Tables as lists: The groups command
- N. J. Cox. 2017.
- Stata Journal Volume 17 Number 3.
- Speaking Stata: Letter values as selected quantiles
- N. J. Cox. 2016.
- Stata Journal Volume 16 Number 4.
- Speaking Stata: Shading zones on time series and other plots
- N. J. Cox. 2016.
- Stata Journal Volume 16 Number 3.
- Speaking Stata: Multiple bar charts in table form
- N. J. Cox. 2016.
- Stata Journal Volume 16 Number 2.
- Speaking Stata: Truth, falsity, indication, and negation
- N. J. Cox. 2016.
- Stata Journal Volume 16 Number 1.
- Speaking Stata: A set of utilities for managing missing values
- N. J. Cox. 2015.
- Stata Journal Volume 15 Number 4.
- Speaking Stata: Species of origin
- N. J. Cox. 2015.
- Stata Journal Volume 15 Number 2.
- Stata tip 123: Spell boundaries
- N. J. Cox. 2015.
- Stata Journal Volume 15 Number 1.
- Speaking Stata: Design plots for graphical summary of a response given factors
- N. J. Cox. 2014.
- Stata Journal Volume 14 Number 4.
- Stata tip 121: Box plots side by side
- N. J. Cox. 2014.
- Stata Journal Volume 14 Number 4.
- Speaking Stata: Self and others
- N. J. Cox. 2014.
- Stata Journal Volume 14 Number 2.
- Stata tip 119: Expanding datasets for graphical ends
- N. J. Cox. 2014.
- Stata Journal Volume 14 Number 1.
- Speaking Stata: Trimming to taste
- N. J. Cox. 2013.
- Stata Journal Volume 13 Number 3.
- Speaking Stata: Creating and varying box plots: Correction
- N. J. Cox. 2013.
- Stata Journal Volume 13 Number 2.
- Stata tip 114: Expand paired dates to pairs of dates
- N. J. Cox. 2013.
- Stata Journal Volume 13 Number 1.
- Speaking Stata: Matrices as look-up tables
- N. J. Cox. 2012.
- Stata Journal Volume 12 Number 4.
- Stata tip 113: Changing a variable's format: What it does and does not mean
- N. J. Cox. 2012.
- Stata Journal Volume 12 Number 4.
- Stata tip 111: More on working with weeks, erratum
- N. J. Cox. 2012.
- Stata Journal Volume 12 Number 4.
- Speaking Stata: Axis practice, or what goes where on a graph
- N. J. Cox. 2012.
- Stata Journal Volume 12 Number 3.
- Stata tip 111: More on working with weeks
- N. J. Cox. 2012.
- Stata Journal Volume 12 Number 3.
- Speaking Stata: Transforming the time axis
- N. J. Cox. 2012.
- Stata Journal Volume 12 Number 2.
- Speaking Stata: Output to order
- N. J. Cox. 2012.
- Stata Journal Volume 12 Number 1.
- Stata tip 105: Daily dates with missing days
- S. J. Samuels and N. J. Cox. 2012.
- Stata Journal Volume 12 Number 1.
- Stata tip 104: Added text and title options
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 4.
- Speaking Stata: Fun and fluency with functions
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 3.
- Stata tip 101: Previous but different
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 3.
- Stata tip 102: Highlighting specific bars
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 3.
- Speaking Stata: Compared with ...
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 2.
- Stata tip 98: Counting substrings within strings
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 2.
- Stata tip 100: Mata and the case of the missing macros
- W. Gould and N. J. Cox. 2011.
- Stata Journal Volume 11 Number 2.
- Speaking Stata: MMXI and all that: Handling Roman numerals within Stata
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 1.
- Stata tip 96: Cube roots
- N. J. Cox. 2011.
- Stata Journal Volume 11 Number 1.
- Speaking Stata: Graphing subsets
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 4.
- Stata tip 68: Week assumptions
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 4.
- Speaking Stata: The limits of sample skewness and kurtosis
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 3.
- Stata tip 91: Putting unabbreviated varlists into local macros
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 3.
- Speaking Stata: Finding variables
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 2.
- A conversation with Kit Baum
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 1.
- Speaking Stata: The statsby strategy
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 1.
- Stata tip 84: Summing missings
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 1.
- Stata tip 85: Looping over nonintegers
- N. J. Cox. 2010.
- Stata Journal Volume 10 Number 1.
- Speaking Stata: Paired, parallel, or profile plots for changes, correlations, and other comparisons
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 4.
- Stata tip 82: Grounds for grids on graphs
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 4.
- Speaking Stata: Creating and varying box plots
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 3.
- Stata tip 78: Going gray gracefully: Highlighting subsets and downplaying substrates
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 3.
- Stata tip 79: Optional arguments to options
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 3.
- Speaking Stata: I. J. Good and quasi–Bayes smoothing of categorical frequencies
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 2.
- Stata tip 76: Separating seasonal time series
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 2.
- Speaking Stata: Rowwise
- N. J. Cox. 2009.
- Stata Journal Volume 9 Number 1.
- Speaking Stata: Distinct observations
- N. J. Cox and G. M. Longton. 2008.
- Stata Journal Volume 8 Number 4.
- Stata tip 70: Beware the evaluating equal sign
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 4.
- Stata tip 71: The problem of split identity, or how to group dyads
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 4.
- Speaking Stata: Correlation with confidence, or Fisher's z revisited
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 3.
- Stata tip 65: Beware the backstabbing backslash
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 3.
- Stata tip 67: J() now has greater replicating powers
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 3.
- Speaking Stata: Between tables and graphs
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 2.
- Stata tip 61: Decimal commas in results output and data input
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 2.
- Stata tip 62: Plotting on reversed scales
- N. J. Cox and N. L. M. Barlow. 2008.
- Stata Journal Volume 8 Number 2.
- Speaking Stata: Spineplots and their kin
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 1.
- Stata tip 59: Plotting on any transformed scale
- N. J. Cox. 2008.
- Stata Journal Volume 8 Number 1.
- Speaking Stata: Counting groups, especially panels
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 4.
- Stata tip 52: Generating composite categorical variables
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 4.
- Stata tip 55: Better axis labeling for time points and time intervals
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 4.
- Speaking Stata: Turning over a new leaf
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 3.
- Stata tip 50: Efficient use of summarize
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 3.
- Stata tip 51: Events in intervals
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 3.
- Speaking Stata: Identifying spells
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 2.
- Stata tip 45: Getting those data into shape
- C. F. Baum and N. J. Cox. 2007.
- Stata Journal Volume 7 Number 2.
- Stata tip 47: Quantile–quantile plots without programming
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 2.
- Speaking Stata: Making it count
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 1.
- Stata tip 43: Remainders, selections, sequences, extractions: Uses of the modulus
- N. J. Cox. 2007.
- Stata Journal Volume 7 Number 1.
- Speaking Stata: In praise of trigonometric predictors
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 4.
- Stata tip 39: In a list or out? In a range or out?
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 4.
- Stata tip 36: Which observations? Erratum
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 4.
- Speaking Stata: Graphs for all seasons
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 3.
- Stata tip 36: Which observations?
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 3.
- Stata tip 33: Sweet sixteen: Hexadecimal formats and precision problems
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 2.
- Speaking Stata: Time of day
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 1.
- Stata tip 30: May the source be with you
- N. J. Cox. 2006.
- Stata Journal Volume 6 Number 1.
- Suggestions on Stata programming style
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 4.
- Speaking Stata: Smoothing in various directions
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 4.
- Stata tip 27: Classifying data points on scatter plots
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 4.
- A multivariable scatterplot smoother
- P. Royston and N. J. Cox. 2005.
- Stata Journal Volume 5 Number 3.
- Depending on conditions: a tutorial on the cond() function
- D. Kantor and N. J. Cox. 2005.
- Stata Journal Volume 5 Number 3.
- Speaking Stata: The protean quantile plot
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 3.
- Stata tip 24: Axis labels on two or more levels
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 3.
- Speaking Stata: Density probability plots
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 2.
- Stata tip 21: The arrows of outrageous fortune
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 2.
- A brief history of Stata on its 20th anniversary
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 1.
- Stata tip 17: Filling in the gaps
- N. J. Cox. 2005.
- Stata Journal Volume 5 Number 1.
- Speaking Stata: Graphing model diagnostics
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 4.
- Review of Statistical Evaluation of Measurement Errors by Dunn
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 4.
- Stata tip 15: Function graphs on the fly
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 4.
- Speaking Stata: Graphing agreement and disagreement
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 3.
- Stata tip 12: Tuning the plot region aspect ratio
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 3.
- Speaking Stata: Graphing categorical and compositional data
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 2.
- Stata tip 9: Following special sequences
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 2.
- Speaking Stata: Graphing distributions
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 1.
- Stata tip 6: Inserting awkward characters in the plot
- N. J. Cox. 2004.
- Stata Journal Volume 4 Number 1.
- Speaking Stata: Problems with tables, Part II
- N. J. Cox. 2003.
- Stata Journal Volume 3 Number 4.
- Stata tip 2: Building with floors and ceilings
- N. J. Cox. 2003.
- Stata Journal Volume 3 Number 4.
- Do–it–yourself shuffling and the number of runs under randomness
- N. Smeeton and N. J. Cox. 2003.
- Stata Journal Volume 3 Number 3.
- Speaking Stata: Problems with tables, Part I
- N. J. Cox. 2003.
- Stata Journal Volume 3 Number 3.
- The Stata Journal so far: Editors' report
- H. J. Newton and N. J. Cox. 2003.
- Stata Journal Volume 3 Number 2.
- Speaking Stata: Problems with lists
- N. J. Cox. 2003.
- Stata Journal Volume 3 Number 2.
- Speaking Stata: On structure and shape: the case of multiple responses
- N. J. Cox and U. Kohler. 2003.
- Stata Journal Volume 3 Number 1.
- Speaking Stata: On getting functions to do the work
- N. J. Cox. 2002.
- Stata Journal Volume 2 Number 4.
- Speaking Stata: On numbers and strings
- N. J. Cox. 2002.
- Stata Journal Volume 2 Number 3.
- A note on the concordance correlation coefficient
- T. J. Steichen and N. J. Cox. 2002.
- Stata Journal Volume 2 Number 2.
- Speaking Stata: How to face lists with fortitude
- N. J. Cox. 2002.
- Stata Journal Volume 2 Number 2.
- Speaking Stata: How to move step by: step
- N. J. Cox. 2002.
- Stata Journal Volume 2 Number 1.
- Speaking Stata: How to repeat yourself without going mad
- N. J. Cox. 2001.
- Stata Journal Volume 1 Number 1.
