개요
- Python IRT 1모수 모형
- Python 문항반응이론 1PLM
- Python 문항반응이론 1모수 모형
Joint Maximum Likelihood (JML)
import numpy as np
import pandas as pd
import girth
df = pd.read_csv("https://github.com/jmnote/zdata/raw/master/github.com/cran/ltm/data/LSAT.csv")
m = np.transpose(df.values)
estimates = girth.onepl_jml(m)
pd.DataFrame(estimates)
Maximum Marginal Likelihood (MML)
import numpy as np
import pandas as pd
import girth
df = pd.read_csv("https://github.com/jmnote/zdata/raw/master/github.com/cran/ltm/data/LSAT.csv")
m = np.transpose(df.values)
estimates = girth.onepl_mml(m)
pd.DataFrame(estimates)