Publications by George
CDI-CAT English Production Norms
Our goal is to produce estimated WG and WS raw scores for each ability level, so that we can produce norms tables for the CDI-CAT that are equivalent norms tables for the full WG and WS forms. For English, we will produce simulated CDI-CAT scores for the new norms sample, and then create CAT ability norms using those scores. Run simulated CAT A...
475 sym 3 img 6 tbl
Swadesh CDI Appendix
Uni-lemma Overlap on CDI:WS Forms Number of overlapping items on each pair of CDI:WS forms. Word Difficulty by Semantic Category and Language Mean difficulty of CDI words by semantic category and language. Bars represent bootstrapped 95% confidence intervals. Cross-linguistic similarities We look at the Spearman correlation between the item di...
2805 sym 3 img 3 tbl
Swadesh CDI IRT Wordbank2
Our goal is to look at IRT parameters across a diverse set of languages and find a subset of uni-lemmas that are somewhat similar in their difficulty. We’ll start with 2PL fits to WG data (comprehension and production separately) for 22 languages: Kigiriama, Kiswahili, British Sign Language, Croatian, Danish, English (American), Italian, M...
4475 sym 9 img 2 tbl
NDAR data
NDAR Words & Sentences Data data_AS_WS <- read.delim("data/ASD CDI data/mci_sentences02.txt", header = TRUE, sep = "\t", dec = ".") # extracting first row as a descriptive dataframe description_WS <- data_AS_WS[1:1,] description_WS <- as.data.frame(t(description_WS)) names(description_WS) <- "description" # what ...
2457 sym Python (4521 sym/11 pcs) 3 tbl
CDI-CAT French Production Norms Tables
Our goal is to produce estimated WG and WS raw scores for each ability level, so that we can produce norms tables for the CDI-CAT that are equivalent norms tables for the full WG and WS forms. These norms are based on all available Wordbank data, combined with data from Sho’s lab: 252 WG administrations and 1409 WS administrations. (The same da...
898 sym 4 img 12 tbl
Using jri to connect JAVA to R
The R package rJava allows R to be accessed in Java programs. The part of the package that allows this is jri. The notes on the rJava site about getting jri to work didn’t help me much getting it to … Continue reading → Related To leave a comment for the author, please follow the link and comment on their blog: Sharp Statisti...
634 sym
Connect JAVA to R part 2
To follow on from the earlier post on using R through Java, it is even easier to get jri up and running as a NetBeans module. Why is this useful? Well the platform that the NetBeans IDE is built on … Continue reading → Related To leave a comment for the author, please follow the link and comment on their blog: Sharp Statistics ...
633 sym
Using Sweave
If you use R and haven’t discovered Sweave then go and find out about it. It enables R code and plots to be incorporated into a document so the analysis and report can be combined together in a single document. … Continue reading → Related To leave a comment for the author, please follow the link and comment on their blog: Sh...
646 sym
Landscape figures in Sweave
This post is a quick follow up from my initial article on Sweave to add a note on how to get a plot in landscape orientation to fill the whole page, plus a little example of using BibTex.Just to clarify my … Continue reading → Related To leave a comment for the author, please follow the link and comment on their blog: Sharp ...
642 sym
Ggplot2 Notes
During the time I have used R the base graphics package has met my needs, although I have been aware of ggplot2 but found learning it a bit of a struggle so have pretty much ignored it until now. Most … Continue reading → Related To leave a comment for the author, please follow the link and comment on their blog: Sharp Statisti...
636 sym