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2015

R: ggplot2 - Each group consist of only one observation. Do you need to adjust the group aesthetic?original ↗

30 Jan 2015

Python: Find the highest value in a group original ↗

25 Jan 2015

Python/pdfquery: Scraping the FIFA World Player of the Year votes PDF into shape original ↗

22 Jan 2015

Python/NLTK: Finding the most common phrases in How I Met Your Mother original ↗

19 Jan 2015

Python: Counter - ValueError: too many values to unpack original ↗

12 Jan 2015

Python: scikit-learn: ImportError: cannot import name __check_build original ↗

10 Jan 2015

Python: gensim - clang: error: unknown argument: '-mno-fused-madd' [-Wunused-command-line-argument-hard-error-in-future]original ↗

10 Jan 2015

Python NLTK/Neo4j: Analysing the transcripts of How I Met Your Mother original ↗

10 Jan 2015

2014

R: Featuring engineering for a linear model original ↗

28 Dec 2014

Neo4j 2.1.6 - Cypher: FOREACH slowness original ↗

28 Dec 2014

R: Vectorising all the things original ↗

22 Dec 2014

R: Time to/from the weekend original ↗

13 Dec 2014

R: Numeric representation of date time original ↗

13 Dec 2014

R: data.table/dplyr/lubridate - Error in wday(date, label = TRUE, abbr = FALSE) : unused arguments (label = TRUE, abbr = FALSE)original ↗

11 Dec 2014

R: Cleaning up and plotting Google Trends data original ↗

9 Dec 2014

R: dplyr - mutate with strptime (incompatible size/wrong result size)original ↗

8 Dec 2014

R: String to Date or NA original ↗

7 Dec 2014

R: Applying a function to every row of a data frame original ↗

4 Dec 2014

Spark: Write to CSV file with header using saveAsFile original ↗

30 Nov 2014

Spark: Write to CSV file original ↗

30 Nov 2014

Docker/Neo4j: Port forwarding on Mac OS X not working original ↗

27 Nov 2014

R: dplyr - Select 'random' rows from a data frame original ↗

26 Nov 2014

R: dplyr - "Variables not shown"original ↗

23 Nov 2014

R: ggmap - Overlay shapefile with filled polygon of regions original ↗

17 Nov 2014

Spark: Parse CSV file and group by column value original ↗

16 Nov 2014

R: dplyr - Sum for group_by multiple columns original ↗

11 Nov 2014

R: dplyr - Maximum value row in each group original ↗

10 Nov 2014

R: dplyr - Ordering by count after multiple column group_by original ↗

9 Nov 2014

R: Refactoring to dplyr original ↗

9 Nov 2014

R: dplyr - Group by field dynamically ('regroup' is deprecated / no applicable method for 'as.lazy' applied to an object of class "list" )original ↗

8 Nov 2014

R: Joining multiple data frames original ↗

7 Nov 2014

R: Converting a named vector to a data frame original ↗

31 Oct 2014

hdiutil: could not access / create failed - Operation canceled original ↗

31 Oct 2014

Data Modelling: The Thin Model original ↗

27 Oct 2014

Neo4j: Cypher - Avoiding the Eager original ↗

23 Oct 2014

Neo4j: Modelling sub types original ↗

20 Oct 2014

Python: Converting a date string to timestamp original ↗

20 Oct 2014

Neo4j: LOAD CSV - The sneaky null character original ↗

18 Oct 2014

R: Linear models with the lm function, NA values and Collinearity original ↗

18 Oct 2014

The Hard Thing About Hard Things - Ben Horowitz: Book Review original ↗

13 Oct 2014

Lessons from running Neo4j based 'hackathons'original ↗

11 Oct 2014

Conceptual Model vs Graph Model original ↗

6 Oct 2014

R: A first attempt at linear regression original ↗

30 Sept 2014

Neo4j: Generic/Vague relationship names original ↗

30 Sept 2014

PostgreSQL: ERROR: column does not exist original ↗

29 Sept 2014

R: Deriving a new data frame column based on containing string original ↗

29 Sept 2014

R: Filtering data frames by column type ('x' must be numeric)original ↗

29 Sept 2014

Neo4j: COLLECTing multiple values (Too many parameters for function 'collect')original ↗

26 Sept 2014

Neo4j: LOAD CSV - Column is null original ↗

24 Sept 2014

R: ggplot - Plotting multiple variables on a line chart original ↗

16 Sept 2014

R: ggplot - Plotting a single variable line chart (geom_line requires the following missing aesthetics: y)original ↗

13 Sept 2014

R: Calculating rolling or moving averages original ↗

13 Sept 2014

R: ggplot - Cumulative frequency graphs original ↗

31 Aug 2014

R: dplyr - group_by dynamic or programmatic field / variable (Error: index out of bounds)original ↗

29 Aug 2014

R: Grouping by week, month, quarter original ↗

29 Aug 2014

Neo4j: LOAD CSV - Handling empty columns original ↗

22 Aug 2014

R: Rook - Hello world example - 'Cannot find a suitable app in file'original ↗

22 Aug 2014

Ruby: Create and share Google Drive Spreadsheet original ↗

17 Aug 2014

Ruby: Receive JSON in request body original ↗

17 Aug 2014

Ruby: Google Drive - Error=BadAuthentication (GoogleDrive::AuthenticationError) Info=InvalidSecondFactor original ↗

17 Aug 2014

Where does r studio install packages/libraries?original ↗

14 Aug 2014

R: Grouping by two variables original ↗

11 Aug 2014

4 types of user original ↗

29 Jul 2014

R: ggplot - Plotting back to back charts using facet_wrap original ↗

25 Jul 2014

Java: Determining the status of data import using kill signals original ↗

23 Jul 2014

R: ggplot - Plotting back to back bar charts original ↗

20 Jul 2014

Neo4j 2.1.2: Finding where I am in a linked list original ↗

20 Jul 2014

R: ggplot - Don't know how to automatically pick scale for object of type difftime - Discrete value supplied to continuous scale original ↗

20 Jul 2014

R: Apply a custom function across multiple lists original ↗

16 Jul 2014

Neo4j: LOAD CSV - Processing hidden arrays in your CSV documents original ↗

10 Jul 2014

R/plyr: ddply - Error in vector(type, length) : vector: cannot make a vector of mode 'closure'.original ↗

7 Jul 2014

R/plyr: ddply - Renaming the grouping/generated column when grouping by date original ↗

2 Jul 2014

R: Aggregate by different functions and join results into one data frame original ↗

30 Jun 2014

R: Order by data frame column and take top 10 rows original ↗

30 Jun 2014

Neo4j/R: Grouping meetup members by join timestamp original ↗

30 Jun 2014

Neo4j: Set Based Operations with the experimental Cypher optimiser original ↗

29 Jun 2014

Neo4j's Cypher vs Clojure - Group by and Sorting original ↗

29 Jun 2014

Data Science: Mo' Data Mo' Problems original ↗

28 Jun 2014

Neo4j: Cypher - Finding movies by decade original ↗

28 Jun 2014

Neo4j: Cypher - Separation of concerns original ↗

27 Jun 2014

Neo4j: LOAD CSV - Handling conditionals original ↗

17 Jun 2014

Ruby: Regex - Matching the Trademark ™ character original ↗

8 Jun 2014

Neo4j Meetup Coding Dojo Style original ↗

31 May 2014

Neo4j/R: Analysing London NoSQL meetup membership original ↗

31 May 2014

Thoughts on meetups original ↗

31 May 2014

Neo4j: Cypher - UNWIND vs FOREACH original ↗

31 May 2014

Neo4j: Cypher - Neo.ClientError.Statement.ParameterMissing and neo4j-shell original ↗

31 May 2014

Clojure: Destructuring group-by's output original ↗

31 May 2014

Neo4j: Cypher - Rounding a float value to decimal places original ↗

25 May 2014

Neo4j 2.1: Passing around node ids vs UNWIND original ↗

25 May 2014

Clojure: Create a directory original ↗

24 May 2014

Neo4j 2.1: Creating adjacency matrices original ↗

20 May 2014

Jersey/Jax RS: Streaming JSON original ↗

30 Apr 2014

Clojure: Paging meetup data using lazy sequences original ↗

30 Apr 2014

Clojure: clj-time - Formatting a date / timestamp with day suffixes e.g. 1st, 2nd, 3rd original ↗

26 Apr 2014

Neo4j: Cypher - Flatten a collection original ↗

23 Apr 2014

Neo4j: Cypher - Creating a time tree down to the day original ↗

19 Apr 2014

Neo4j 2.0.1: Cypher - Concatenating an empty collection / Type mismatch: expected Integer, Collection or Collection but was Collection original ↗

19 Apr 2014

Neo4j: Cypher - Creating relationships between a collection of nodes / Invalid input '[':original ↗

19 Apr 2014

Neo4j 2.0.0: Query not prepared correctly / Type mismatch: expected Map original ↗

13 Apr 2014