Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
DataFrames and Types with Julia
Search
Kiichi
October 20, 2018
Programming
0
1.1k
DataFrames and Types with Julia
Presentation at JuliaTokyo #8
https://juliatokyo.connpass.com/event/100780/
Kiichi
October 20, 2018
Tweet
Share
Other Decks in Programming
See All in Programming
[JAWS-UG横浜 #80] うわっ…今年のServerless アップデート、少なすぎ…?
maroon1st
1
170
定理証明プラットフォーム lapisla.net
abap34
1
1.7k
GAEログのコスト削減
mot_techtalk
0
110
Amazon S3 TablesとAmazon S3 Metadataを触ってみた / 20250201-jawsug-tochigi-s3tables-s3metadata
kasacchiful
0
100
バックエンドのためのアプリ内課金入門 (サブスク編)
qnighy
8
1.7k
CloudNativePGがCNCF Sandboxプロジェクトになったぞ! 〜CloudNativePGの仕組みの紹介〜
nnaka2992
0
220
動作確認やテストで漏れがちな観点3選
starfish719
6
1k
JavaScriptツール群「UnJS」を5分で一気に駆け巡る!
k1tikurisu
10
1.8k
SRE、開発、QAが協業して挑んだリリースプロセス改革@SRE Kaigi 2025
nealle
3
4.1k
[Fin-JAWS 第38回 ~re:Invent 2024 金融re:Cap~]FaultInjectionServiceアップデート@pre:Invent2024
shintaro_fukatsu
0
400
【PHP】破壊的バージョンアップと戦った話〜決断と説得
satoshi256kbyte
0
120
『GO』アプリ バックエンドサーバのコスト削減
mot_techtalk
0
130
Featured
See All Featured
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
44
9.4k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.6k
Building Better People: How to give real-time feedback that sticks.
wjessup
366
19k
Faster Mobile Websites
deanohume
306
31k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
3.7k
The Invisible Side of Design
smashingmag
299
50k
Fontdeck: Realign not Redesign
paulrobertlloyd
82
5.4k
Build your cross-platform service in a week with App Engine
jlugia
229
18k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
8
270
Imperfection Machines: The Place of Print at Facebook
scottboms
267
13k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.1k
10 Git Anti Patterns You Should be Aware of
lemiorhan
PRO
656
59k
Transcript
%BUB'SBNFTBOE5ZQFTXJUI+VMJB +VMJB5PLZP 0DUPCFS
!,J@DIJ
%BUB'SBNFT.FUB +VMJB%# 2VFSZWFSTFΛͦΕͧΕ৮ͬͯΈͨr,J@DIJ!#MPH IUUQLJDIJKQ Q
%BUB'SBNFTBOE5ZQFTXJUI+VMJB +VMJB5PLZP 0DUPCFS
%BUB'SBNF 4FQBM-FOHUI 4FQBM8JEUI 1FUBM-FOHUI 1FUBM8JEUI 4QFDJFT
4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB ộ *SJT
5XP4VQFSDPVQMFTJO%BUB4DJFODF
8IP`TOFYU
5IF$BOEJEBUFT %BUB'SBNFT %BUB'SBNFT.FUB +VMJB%# 2VFSZWFSTF 2VFSZKM
%BUB'SBNFT %BUB'SBNFT.FUB .PTUQPQVMBSUBCVMBSGSBNFXPSLJO+VMJB &BTZUPVTFGPSUJEZWFSTFQBOEBTVTFST 1SPWJEJOHNBDSPTGPSEBUBQSPDFTTJOH
None
None
None
None
None
+VMJB%# /PUBEBUBCBTFTFSWFS "QBSUPG+VMJB'*/QSPKFDUCZ+VMJB$PNQVUJOH *OD *ONFNPSZ PVUPGDPSF BOEEJTUSJCVUFEDPNQVUJOH
None
None
None
2VFSZWFSTF "ONFUBQBDLBHFPGNVMUJQMFQBDLBHFT w %BUB7BMVFT w *UFSBCMF5BCMFT w2VFSZ w 7FHB-JUF w
'JMF*0 w &YDFM'JMFT w 4UBU'JMFT w $47'JMFT w 'FBUIFS'JMFT w%BUB'SBNFT w %BUB7PZBHFS
None
None
5IF$BOEJEBUFT %BUB'SBNFT %BUB'SBNFT.FUB +VMJB%# 2VFSZWFSTF 2VFSZKM
0, *KVTUXBOUUPFYUSBDU b4FQBM-FOHUI`
None
8IJDIJTUIFCFTU
W W %BUB'SBNFT %BUB'SBNFT.FUB +VMJB%# 2VFSZWFSTF BTPG0DUPCFS
%BUB'SBNFTBOE5ZQFTXJUI+VMJB +VMJB5PLZP 0DUPCFS
1. A list 2. With (unique) names 3. Containing vectors
(including lists!) 4. With equal NROW() 5. Optional row names best avoided — Hadley Wickham at TokyoR “What is a data frame?” 4FQBM-FOHUI 4FQBM8JEUI 1FUBM-FOHUI 1FUBM8JEUI 4QFDJFT 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB
4FQBM-FOHUI 4FQBM8JEUI 1FUBM-FOHUI 1FUBM8JEUI 4QFDJFT 4FUPTB
4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB ộ *SJT 6OJRVFOBNFT 7FDUPST
4FQBM-FOHUI 4FQBM8JEUI 1FUBM-FOHUI 1FUBM8JEUI 4QFDJFT 4FUPTB
4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB ộ *SJT -JTU 7FDUPS\"OZ^
FY%BUB'SBNFT 4FQBM-FOHUI 4FQBM8JEUI 1FUBM-FOHUI 1FUBM8JEUI 4QFDJFT
4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB
FY+VMJB%# *OEFYFE5BCMFT 4FQBM-FOHUI 4FQBM8JEUI 1FUBM-FOHUI 1FUBM8JEUI 4QFDJFT
4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB
%J⒎FSFOUQBDLBHFTDPOTUSVDU EJ⒎FSFOUUZQFTPGEBUBGSBNFT
5BCMFUSBJUTK* *UFSBCMF5BCMFTKM (FOFSJDUBCVMBSJOUFSGBDF
5BCMFUSBJUTl5BCMF/BNFE5VQMFz
/BNFE5VQMF
4FQBM-FOHUI 4FQBM8JEUI 1FUBM-FOHUI 1FUBM8JEUI 4QFDJFT 4FUPTB
4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB 4FUPTB
*UFSBCMF5BCMF
5IF$BOEJEBUFT %BUB'SBNFT %BUB'SBNFT.FUB +VMJB%# 2VFSZWFSTF 2VFSZKM
5IF$BOEJEBUFT 6QEBUFE 5BCMFUSBJUTK* *UFSBCMF5BCMFTKM %BUB'SBNFT +VMJB%# 2VFSZWFSTF BOENPSF
%BUB'SBNFT.FUB 2VFSZ