{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"import warnings\n",
"warnings.simplefilter(action='ignore', category=FutureWarning)\n",
"\n",
"import scanpy as sc\n",
"import multigrate as mtg\n",
"import numpy as np"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Load the dataset"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"AnnData object with n_obs × n_vars = 10849 × 15792\n",
" obs: 'n_genes', 'percent_mito', 'n_counts', 'batch', 'labels'\n",
" var: 'encode', 'n_cells-0', 'highly_variable-0', 'hvg_encode-0', 'n_cells-1', 'highly_variable-1', 'hvg_encode-1'\n",
" obsm: 'protein_expression'"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"adata = sc.read('../data/10x-cite/10x-cite.h5ad')\n",
"adata"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"View of AnnData object with n_obs × n_vars = 6855 × 15792\n",
" obs: 'n_genes', 'percent_mito', 'n_counts', 'batch', 'labels'\n",
" var: 'encode', 'n_cells-0', 'highly_variable-0', 'hvg_encode-0', 'n_cells-1', 'highly_variable-1', 'hvg_encode-1'\n",
" obsm: 'protein_expression'"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"adata.obs.batch = adata.obs.batch.astype('category')\n",
"ref = adata[adata.obs.batch == 0]\n",
"ref"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [],
"source": [
"cite = sc.AnnData(ref.obsm['protein_expression'])"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"AnnData object with n_obs × n_vars = 3994 × 15792\n",
" obs: 'n_genes', 'percent_mito', 'n_counts', 'batch', 'labels'\n",
" var: 'encode', 'n_cells-0', 'highly_variable-0', 'hvg_encode-0', 'n_cells-1', 'highly_variable-1', 'hvg_encode-1'\n",
" obsm: 'protein_expression'"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"query = adata[adata.obs.batch == 1].copy()\n",
"query"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"AnnData object with n_obs × n_vars = 3994 × 15792\n",
" obs: 'n_genes', 'percent_mito', 'n_counts', 'batch', 'labels', 'cell_type'\n",
" var: 'encode', 'n_cells-0', 'highly_variable-0', 'hvg_encode-0', 'n_cells-1', 'highly_variable-1', 'hvg_encode-1'\n",
" obsm: 'protein_expression'"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# workaround\n",
"query.obs['cell_type'] = query.obs['labels']\n",
"query"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [],
"source": [
"query_protein = sc.AnnData(query.obsm['protein_expression'])"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [],
"source": [
"def clr_normalize_each_cell(adata, inplace=True):\n",
" \"\"\"Normalize count vector for each cell, i.e. for each row of .X\"\"\"\n",
"\n",
" import numpy as np\n",
" import scipy\n",
"\n",
" def seurat_clr(x):\n",
" # TODO: support sparseness\n",
" s = np.sum(np.log1p(x[x > 0]))\n",
" exp = np.exp(s / len(x))\n",
" return np.log1p(x / exp)\n",
"\n",
" if not inplace:\n",
" adata = adata.copy()\n",
"\n",
" # apply to dense or sparse matrix, along axis. returns dense matrix\n",
" adata.X = np.apply_along_axis(\n",
" seurat_clr, 1, (adata.X.A if scipy.sparse.issparse(adata.X) else adata.X)\n",
" )\n",
" return adata"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [],
"source": [
"cite = clr_normalize_each_cell(cite)"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [],
"source": [
"query_protein = clr_normalize_each_cell(query_protein)"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [],
"source": [
"query_protein.obsm['protein'] = query_protein.X"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"Trying to set attribute `.obs` of view, copying.\n"
]
}
],
"source": [
"ref.obs['cell_type'] = ref.obs['labels']"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"AnnData object with n_obs × n_vars = 6855 × 14\n",
" obs: 'n_genes', 'percent_mito', 'n_counts', 'batch', 'labels', 'cell_type'"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"cite.obs = ref.obs\n",
"cite"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [],
"source": [
"ref.write('../data/test_protein/adata1.h5ad')\n",
"cite.write('../data/test_protein/cite1.h5ad')\n",
"query.write('../data/test_protein/adata2.h5ad')\n",
"query_protein.write('../data/test_protein/cite2.h5ad')"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.9"
}
},
"nbformat": 4,
"nbformat_minor": 4
}