Owner

jtablesaw

2 indexed repositories · View on GitHub

tablesaw
Java dataframe and visualization library

Java · 3763 stars
plotly.java
A third-party Java wrapper for plotly.js

Java · 28 stars

Beginner friendly Everything

Open All

Replace beakerx support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

jtablesaw/tablesaw#1305 · Opened Jan 8, 2026
DateColumn incorrectly recognized as StringColumn in Tablesaw v0.43.1 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

jtablesaw/tablesaw#1301 · 2 comments · Opened Jul 8, 2025
Upgrade Smile Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

jtablesaw/tablesaw#1295 · 1 comment · Opened Jun 13, 2025
Can anyone do some adaptation for i18n ？ Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

jtablesaw/tablesaw#1290 · 1 comment · Opened Mar 15, 2025
if the index of SubplotExample start from 0, the first two charts are going to be combined Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1284 · Opened Mar 11, 2025
Replace uniVocity CSV library with maintained alternative Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

jtablesaw/tablesaw#1283 · 1 comment · Opened Mar 5, 2025
How to customize column names after summarizing is completed Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

jtablesaw/tablesaw#1258 · 1 comment · 1 reaction · Opened Jun 24, 2024
Line breaks are not recognised on a Windows computer Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

jtablesaw/tablesaw#1255 · 1 comment · Opened Apr 29, 2024
Question. Naming rules for self-implemented features. Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

jtablesaw/tablesaw#1247 · 1 comment · Opened Jan 16, 2024
Add support for Java 21 Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

jtablesaw/plotly.java#12 · 1 comment · Opened Jan 16, 2024
`summarize()` multiple columns return columns in random order Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

jtablesaw/tablesaw#1246 · Opened Dec 19, 2023
XLSX read only grabbing 2 decimal places Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1245 · 3 comments · Opened Dec 14, 2023
Feature Request: Support ANSI color escape codes when printing tables Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1243 · Opened Nov 29, 2023
Quoted comma throwing off parser? Open

Difficulty 3/5 1-2 days Newbie friendliness 28/100

jtablesaw/tablesaw#1242 · 1 comment · Opened Nov 23, 2023
datatime in mysql 8 not supported by InstantColumn Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

jtablesaw/tablesaw#1241 · 2 comments · Opened Nov 19, 2023
Feature request: Support multi-character delimiters. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1239 · Opened Oct 18, 2023
Asymmetric handling of null String values in TextColumn and StringColumn Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

jtablesaw/tablesaw#1236 · 1 comment · Opened Oct 3, 2023
Propsal to require only fastutil-core Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

jtablesaw/tablesaw#1232 · 1 reaction · Opened Sep 11, 2023
column filtering use issue Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

jtablesaw/tablesaw#1231 · Opened Sep 5, 2023
JTableSaw deadlocks on column initialization Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

jtablesaw/tablesaw#1230 · 1 comment · Opened Aug 29, 2023
isIn(Collection) not matching Integers Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

jtablesaw/tablesaw#1227 · 1 comment · Opened Aug 17, 2023
Open CSV with a batch size Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

jtablesaw/tablesaw#1226 · 2 comments · Opened Aug 9, 2023
Tablesaw seriliaze null String values Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

jtablesaw/tablesaw#1221 · 7 comments · Opened Jul 6, 2023
GroupBy with usage tech.tablesaw.api.Table#stream Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

jtablesaw/tablesaw#1220 · 1 comment · Opened Jun 17, 2023
Combine multiple columns when aggregating Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

jtablesaw/tablesaw#1214 · 2 comments · Opened May 24, 2023
Integrating tablesaw into OSS-Fuzz Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

jtablesaw/tablesaw#1211 · Opened May 16, 2023
Build fails on Mac with Apple Silicon Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1208 · Opened May 3, 2023
Circular static init in ColumnType prevents correct singleton init Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

jtablesaw/tablesaw#1205 · 2 comments · Opened Apr 20, 2023
about JSONObject is Unsupported,here is some code Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

jtablesaw/tablesaw#1193 · Opened Mar 17, 2023
support html table rowspan & colspan attribute Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1191 · Opened Mar 3, 2023
Cross Join Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

jtablesaw/tablesaw#1189 · 1 comment · Opened Mar 1, 2023
How to skip lines starting with a certain char sequence, not just single char Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

jtablesaw/tablesaw#1185 · 4 comments · Opened Feb 15, 2023
Index out of bounds exception when setting values on a Row Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

jtablesaw/tablesaw#1184 · 3 comments · Opened Feb 8, 2023
Tablesaw has issues in JavaFX controller Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

jtablesaw/tablesaw#1183 · 1 comment · Opened Jan 25, 2023
Getting null-values (missing values) from Row? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

jtablesaw/tablesaw#1182 · Opened Jan 23, 2023
Add support for Plot.ly Table visualizations Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

jtablesaw/tablesaw#1181 · Opened Jan 23, 2023
tablename.getstring(rowno,columnname) trim spaces Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

jtablesaw/tablesaw#1179 · 3 comments · Opened Dec 14, 2022
Add possibility to skip column type from SQL ResultSet Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

jtablesaw/tablesaw#1178 · Opened Dec 8, 2022
stringColumn转换成doubleColunm后，值不对 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 50/100

jtablesaw/tablesaw#1177 · 4 comments · 1 reaction · Opened Dec 8, 2022
Automatic parse issue in jsaw table Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

jtablesaw/tablesaw#1176 · Opened Dec 7, 2022
Improvement suggestion: Table.print() function should also include the shape in the output Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1175 · Opened Dec 7, 2022
Table.summary() missing output is misleading Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1173 · Opened Dec 6, 2022
How to combine multiple columns from the same table in Jtablesaw Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

jtablesaw/tablesaw#1171 · 2 comments · Opened Nov 21, 2022
How to exclude a row using Jtablesaw Open

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

jtablesaw/tablesaw#1170 · 1 comment · Opened Nov 21, 2022
How to get a DateTimeColumn from timeWindow()? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

jtablesaw/tablesaw#1167 · 2 comments · Opened Nov 9, 2022
make column:copy(int) copy any printFormatters set on the original Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1166 · Opened Nov 7, 2022
Increase table loading speed possible? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

jtablesaw/tablesaw#1162 · 7 comments · Opened Oct 18, 2022
Cannot append java.time.LocalDateTime to DateTimeColumn Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

jtablesaw/tablesaw#1161 · 11 comments · Opened Oct 17, 2022
Tablesaw with tribuo Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

jtablesaw/tablesaw#1158 · 1 comment · Opened Oct 10, 2022
DoubleColumn not implementing CategoricalColumn Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

jtablesaw/tablesaw#1156 · 3 comments · Opened Oct 4, 2022

Showing the newest 100

This page lists what was indexed most recently. Advanced filter has the whole inventory, narrowed by language, difficulty and how long a task takes.

Open advanced filter

jtablesaw

Showing the newest 100

Get new issues in your inbox