Man pages for zhenkewu/slamR
Structured Latent Attribute Models in R
| adg_em | Estimate Q, screening latent attributes (Alternating Gibbs) |
| bin2ind | convert binary codes to decimal integers |
| binary | convert decimal integers to binary codes |
| bsxfun_7_hinge_pow | 7 shaped binary array operation by bsxfun from matlab but... |
| bsxfun_7_hinge_pow_prod | 7 shaped binary array operation by bsxfun from matlab but... |
| bsxfun_7_pow | 7 shaped binary array operation by bsxfun from matlab |
| check_complete | check if matrix Q is complete |
| check_overlap | check if patterns in A1 match those in A2 |
| f | flip the matrix to the right form for 'image()' |
| generate_X_DINA | simulate data according to DINA |
| generate_X_fromA | generate simulated data A |
| generate_X_tax2 | generate second-level responses with taxonomy under DINA |
| get_EM | function to actually perform EM for DINA (fixed A) |
| get_em_classify | EM algorithm for estimating c, g and mixing parameter pi |
| get_I | get none, singleton, doubleton, ... until full binary... |
| get_ideal_resp | get ideal response for DINA |
| get_ideal_resp_R | get ideal response for DINA R |
| get_initial_n | get initial Q and Z |
| get_initial_s | get initial Q and Z |
| get_PEM | PEM FOR SHRINKAGE - this is to take a candidate latent... |
| get_rp | calculates marginal probabilities of all the 2^J possible... |
| log_prac | log with log(0) being 0 |
| make_list | Takes any number of R objects as arguments and returns a list... |
| nchoosek_prac | n choose k - dealing with large values. |
| perform_shrink | performs shrinkage estimation and use Extended BIC (EBIC) to... |
| reconstruct | reconstructs N by J data matrix using the estimated item... |
| rvbern | Sample a vector of Bernoulli variables. |
| slamR | slamR: *s*tructured *l*atent *a*ttribute *m*odels in*R* |
| sort_binmat | order binary matrix by row |
| unique_sort_binmat | unique and ordered binary matrix by row |
